28043484

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1289}}^1$

素因数の和:1347

約数の個数: 72

約数和(自身を含む): 78235920

約数和(自身を除く): 50192436

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 49, 74, 84, 98, 111, 147, 148, 196, 222, 259, 294, 444, 518, 588, 777, 1036, 1289, 1554, 1813, 2578, 3108, 3626, 3867, 5156, 5439, 7252, 7734, 9023, 10878, 15468, 18046, 21756, 27069, 36092, 47693, 54138, 63161, 95386, 108276, 126322, 143079, 189483, 190772, 252644, 286158, 333851, 378966, 572316, 667702, 757932, 1001553, 1335404, 2003106, 2336957, 4006212, 4673914, 7010871, 9347828, 14021742, 28043484]

約数ペア:

[(1, 28043484), (2, 14021742), (3, 9347828), (4, 7010871), (6, 4673914), (7, 4006212), (12, 2336957), (14, 2003106), (21, 1335404), (28, 1001553), (37, 757932), (42, 667702), (49, 572316), (74, 378966), (84, 333851), (98, 286158), (111, 252644), (147, 190772), (148, 189483), (196, 143079), (222, 126322), (259, 108276), (294, 95386), (444, 63161), (518, 54138), (588, 47693), (777, 36092), (1036, 27069), (1289, 21756), (1554, 18046), (1813, 15468), (2578, 10878), (3108, 9023), (3626, 7734), (3867, 7252), (5156, 5439)]