15721441428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{25357}}^1$

素因数の和:25454

約数の個数: 144

約数和(自身を含む): 46838863232

約数和(自身を除く): 31117421804

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 61, 66, 77, 84, 121, 122, 132, 154, 183, 231, 242, 244, 308, 363, 366, 427, 462, 484, 671, 726, 732, 847, 854, 924, 1281, 1342, 1452, 1694, 1708, 2013, 2541, 2562, 2684, 3388, 4026, 4697, 5082, 5124, 7381, 8052, 9394, 10164, 14091, 14762, 18788, 22143, 25357, 28182, 29524, 44286, 50714, 51667, 56364, 76071, 88572, 101428, 103334, 152142, 155001, 177499, 206668, 278927, 304284, 310002, 354998, 532497, 557854, 620004, 709996, 836781, 1064994, 1115708, 1546777, 1673562, 1952489, 2129988, 3068197, 3093554, 3347124, 3904978, 4640331, 5857467, 6136394, 6187108, 7809956, 9204591, 9280662, 10827439, 11714934, 12272788, 17014547, 18409182, 18561324, 21477379, 21654878, 23429868, 32482317, 34029094, 36818364, 42954758, 43309756, 51043641, 64432137, 64964634, 68058188, 85909516, 102087282, 119101829, 128864274, 129929268, 187160017, 204174564, 238203658, 257728548, 357305487, 374320034, 476407316, 561480051, 714610974, 748640068, 1122960102, 1310120119, 1429221948, 2245920204, 2620240238, 3930360357, 5240480476, 7860720714, 15721441428]

約数ペア:

[(1, 15721441428), (2, 7860720714), (3, 5240480476), (4, 3930360357), (6, 2620240238), (7, 2245920204), (11, 1429221948), (12, 1310120119), (14, 1122960102), (21, 748640068), (22, 714610974), (28, 561480051), (33, 476407316), (42, 374320034), (44, 357305487), (61, 257728548), (66, 238203658), (77, 204174564), (84, 187160017), (121, 129929268), (122, 128864274), (132, 119101829), (154, 102087282), (183, 85909516), (231, 68058188), (242, 64964634), (244, 64432137), (308, 51043641), (363, 43309756), (366, 42954758), (427, 36818364), (462, 34029094), (484, 32482317), (671, 23429868), (726, 21654878), (732, 21477379), (847, 18561324), (854, 18409182), (924, 17014547), (1281, 12272788), (1342, 11714934), (1452, 10827439), (1694, 9280662), (1708, 9204591), (2013, 7809956), (2541, 6187108), (2562, 6136394), (2684, 5857467), (3388, 4640331), (4026, 3904978), (4697, 3347124), (5082, 3093554), (5124, 3068197), (7381, 2129988), (8052, 1952489), (9394, 1673562), (10164, 1546777), (14091, 1115708), (14762, 1064994), (18788, 836781), (22143, 709996), (25357, 620004), (28182, 557854), (29524, 532497), (44286, 354998), (50714, 310002), (51667, 304284), (56364, 278927), (76071, 206668), (88572, 177499), (101428, 155001), (103334, 152142)]