978503344

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 240

約数和(自身を含む): 2596500480

約数和(自身を除く): 1617997136

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 31, 38, 49, 52, 56, 62, 76, 91, 98, 104, 112, 124, 133, 152, 163, 182, 196, 208, 217, 247, 248, 266, 304, 326, 364, 392, 403, 434, 494, 496, 532, 589, 637, 652, 728, 784, 806, 868, 931, 988, 1064, 1141, 1178, 1274, 1304, 1456, 1519, 1612, 1729, 1736, 1862, 1976, 2119, 2128, 2282, 2356, 2548, 2608, 2821, 3038, 3097, 3224, 3458, 3472, 3724, 3952, 4123, 4238, 4564, 4712, 5053, 5096, 5642, 6076, 6194, 6448, 6916, 7448, 7657, 7987, 8246, 8476, 9128, 9424, 10106, 10192, 11284, 12103, 12152, 12388, 13832, 14833, 14896, 15314, 15974, 16492, 16952, 18256, 19747, 20212, 21679, 22568, 24206, 24304, 24776, 27664, 28861, 29666, 30628, 31948, 32984, 33904, 35371, 39494, 40261, 40424, 43358, 45136, 48412, 49552, 53599, 57722, 59332, 61256, 63896, 65689, 65968, 70742, 78988, 80522, 80848, 86716, 96007, 96824, 103831, 107198, 115444, 118664, 122512, 127792, 131378, 141484, 151753, 157976, 161044, 173432, 192014, 193648, 207662, 214396, 230888, 237328, 247597, 262756, 281827, 282968, 303506, 315952, 322088, 346864, 375193, 384028, 415324, 428792, 459823, 461776, 495194, 525512, 563654, 565936, 607012, 644176, 672049, 750386, 768056, 830648, 857584, 919646, 990388, 1051024, 1127308, 1214024, 1248091, 1344098, 1500772, 1536112, 1661296, 1839292, 1972789, 1980776, 2254616, 2428048, 2496182, 2688196, 3001544, 3218761, 3678584, 3945578, 3961552, 4509232, 4704343, 4992364, 5376392, 6003088, 6437522, 7357168, 7891156, 8736637, 9408686, 9984728, 10752784, 12875044, 15782312, 17473274, 18817372, 19969456, 25750088, 31564624, 34946548, 37634744, 51500176, 61156459, 69893096, 75269488, 122312918, 139786192, 244625836, 489251672, 978503344]

約数ペア:

[(1, 978503344), (2, 489251672), (4, 244625836), (7, 139786192), (8, 122312918), (13, 75269488), (14, 69893096), (16, 61156459), (19, 51500176), (26, 37634744), (28, 34946548), (31, 31564624), (38, 25750088), (49, 19969456), (52, 18817372), (56, 17473274), (62, 15782312), (76, 12875044), (91, 10752784), (98, 9984728), (104, 9408686), (112, 8736637), (124, 7891156), (133, 7357168), (152, 6437522), (163, 6003088), (182, 5376392), (196, 4992364), (208, 4704343), (217, 4509232), (247, 3961552), (248, 3945578), (266, 3678584), (304, 3218761), (326, 3001544), (364, 2688196), (392, 2496182), (403, 2428048), (434, 2254616), (494, 1980776), (496, 1972789), (532, 1839292), (589, 1661296), (637, 1536112), (652, 1500772), (728, 1344098), (784, 1248091), (806, 1214024), (868, 1127308), (931, 1051024), (988, 990388), (1064, 919646), (1141, 857584), (1178, 830648), (1274, 768056), (1304, 750386), (1456, 672049), (1519, 644176), (1612, 607012), (1729, 565936), (1736, 563654), (1862, 525512), (1976, 495194), (2119, 461776), (2128, 459823), (2282, 428792), (2356, 415324), (2548, 384028), (2608, 375193), (2821, 346864), (3038, 322088), (3097, 315952), (3224, 303506), (3458, 282968), (3472, 281827), (3724, 262756), (3952, 247597), (4123, 237328), (4238, 230888), (4564, 214396), (4712, 207662), (5053, 193648), (5096, 192014), (5642, 173432), (6076, 161044), (6194, 157976), (6448, 151753), (6916, 141484), (7448, 131378), (7657, 127792), (7987, 122512), (8246, 118664), (8476, 115444), (9128, 107198), (9424, 103831), (10106, 96824), (10192, 96007), (11284, 86716), (12103, 80848), (12152, 80522), (12388, 78988), (13832, 70742), (14833, 65968), (14896, 65689), (15314, 63896), (15974, 61256), (16492, 59332), (16952, 57722), (18256, 53599), (19747, 49552), (20212, 48412), (21679, 45136), (22568, 43358), (24206, 40424), (24304, 40261), (24776, 39494), (27664, 35371), (28861, 33904), (29666, 32984), (30628, 31948)]