399124752

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:541

約数の個数: 160

約数和(自身を含む): 1173258240

約数和(自身を除く): 774133488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 47, 48, 52, 62, 78, 93, 94, 104, 124, 141, 156, 186, 188, 208, 248, 282, 312, 372, 376, 403, 439, 496, 564, 611, 624, 744, 752, 806, 878, 1128, 1209, 1222, 1317, 1457, 1488, 1612, 1756, 1833, 2256, 2418, 2444, 2634, 2914, 3224, 3512, 3666, 4371, 4836, 4888, 5268, 5707, 5828, 6448, 7024, 7332, 8742, 9672, 9776, 10536, 11414, 11656, 13609, 14664, 17121, 17484, 18941, 19344, 20633, 21072, 22828, 23312, 27218, 29328, 34242, 34968, 37882, 40827, 41266, 45656, 54436, 56823, 61899, 68484, 69936, 75764, 81654, 82532, 91312, 108872, 113646, 123798, 136968, 151528, 163308, 165064, 176917, 217744, 227292, 247596, 268229, 273936, 303056, 326616, 330128, 353834, 454584, 495192, 530751, 536458, 639623, 653232, 707668, 804687, 909168, 990384, 1061502, 1072916, 1279246, 1415336, 1609374, 1918869, 2123004, 2145832, 2558492, 2830672, 3218748, 3837738, 4246008, 4291664, 5116984, 6437496, 7675476, 8315099, 8492016, 10233968, 12874992, 15350952, 16630198, 24945297, 30701904, 33260396, 49890594, 66520792, 99781188, 133041584, 199562376, 399124752]

約数ペア:

[(1, 399124752), (2, 199562376), (3, 133041584), (4, 99781188), (6, 66520792), (8, 49890594), (12, 33260396), (13, 30701904), (16, 24945297), (24, 16630198), (26, 15350952), (31, 12874992), (39, 10233968), (47, 8492016), (48, 8315099), (52, 7675476), (62, 6437496), (78, 5116984), (93, 4291664), (94, 4246008), (104, 3837738), (124, 3218748), (141, 2830672), (156, 2558492), (186, 2145832), (188, 2123004), (208, 1918869), (248, 1609374), (282, 1415336), (312, 1279246), (372, 1072916), (376, 1061502), (403, 990384), (439, 909168), (496, 804687), (564, 707668), (611, 653232), (624, 639623), (744, 536458), (752, 530751), (806, 495192), (878, 454584), (1128, 353834), (1209, 330128), (1222, 326616), (1317, 303056), (1457, 273936), (1488, 268229), (1612, 247596), (1756, 227292), (1833, 217744), (2256, 176917), (2418, 165064), (2444, 163308), (2634, 151528), (2914, 136968), (3224, 123798), (3512, 113646), (3666, 108872), (4371, 91312), (4836, 82532), (4888, 81654), (5268, 75764), (5707, 69936), (5828, 68484), (6448, 61899), (7024, 56823), (7332, 54436), (8742, 45656), (9672, 41266), (9776, 40827), (10536, 37882), (11414, 34968), (11656, 34242), (13609, 29328), (14664, 27218), (17121, 23312), (17484, 22828), (18941, 21072), (19344, 20633)]