221975376

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:361

約数の個数: 160

約数和(自身を含む): 686432256

約数和(自身を除く): 464456880

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 101, 112, 124, 168, 186, 202, 211, 217, 248, 303, 336, 372, 404, 422, 434, 496, 606, 633, 651, 707, 744, 808, 844, 868, 1212, 1266, 1302, 1414, 1477, 1488, 1616, 1688, 1736, 2121, 2424, 2532, 2604, 2828, 2954, 3131, 3376, 3472, 4242, 4431, 4848, 5064, 5208, 5656, 5908, 6262, 6541, 8484, 8862, 9393, 10128, 10416, 11312, 11816, 12524, 13082, 16968, 17724, 18786, 19623, 21311, 21917, 23632, 25048, 26164, 33936, 35448, 37572, 39246, 42622, 43834, 45787, 50096, 52328, 63933, 65751, 70896, 75144, 78492, 85244, 87668, 91574, 104656, 127866, 131502, 137361, 149177, 150288, 156984, 170488, 175336, 183148, 255732, 263004, 274722, 298354, 313968, 340976, 350672, 366296, 447531, 511464, 526008, 549444, 596708, 660641, 732592, 895062, 1022928, 1052016, 1098888, 1193416, 1321282, 1790124, 1981923, 2197776, 2386832, 2642564, 3580248, 3963846, 4624487, 5285128, 7160496, 7927692, 9248974, 10570256, 13873461, 15855384, 18497948, 27746922, 31710768, 36995896, 55493844, 73991792, 110987688, 221975376]

約数ペア:

[(1, 221975376), (2, 110987688), (3, 73991792), (4, 55493844), (6, 36995896), (7, 31710768), (8, 27746922), (12, 18497948), (14, 15855384), (16, 13873461), (21, 10570256), (24, 9248974), (28, 7927692), (31, 7160496), (42, 5285128), (48, 4624487), (56, 3963846), (62, 3580248), (84, 2642564), (93, 2386832), (101, 2197776), (112, 1981923), (124, 1790124), (168, 1321282), (186, 1193416), (202, 1098888), (211, 1052016), (217, 1022928), (248, 895062), (303, 732592), (336, 660641), (372, 596708), (404, 549444), (422, 526008), (434, 511464), (496, 447531), (606, 366296), (633, 350672), (651, 340976), (707, 313968), (744, 298354), (808, 274722), (844, 263004), (868, 255732), (1212, 183148), (1266, 175336), (1302, 170488), (1414, 156984), (1477, 150288), (1488, 149177), (1616, 137361), (1688, 131502), (1736, 127866), (2121, 104656), (2424, 91574), (2532, 87668), (2604, 85244), (2828, 78492), (2954, 75144), (3131, 70896), (3376, 65751), (3472, 63933), (4242, 52328), (4431, 50096), (4848, 45787), (5064, 43834), (5208, 42622), (5656, 39246), (5908, 37572), (6262, 35448), (6541, 33936), (8484, 26164), (8862, 25048), (9393, 23632), (10128, 21917), (10416, 21311), (11312, 19623), (11816, 18786), (12524, 17724), (13082, 16968)]