1281036985991

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{381319}}^1$

素因数の和:381496

約数の個数: 48

約数和(自身を含む): 1635359457600

約数和(自身を除く): 354322471609

約数列:

[1, 7, 17, 37, 49, 109, 119, 259, 629, 763, 833, 1813, 1853, 4033, 4403, 5341, 12971, 28231, 30821, 68561, 90797, 197617, 381319, 479927, 2669233, 3359489, 6482423, 14108803, 18684631, 41563771, 45376961, 98761621, 239849651, 290946397, 317638727, 691331347, 706584107, 1537859527, 1678947557, 2036624779, 4946088749, 10765016689, 11752632899, 26143611959, 34622621243, 75355116823, 183005283713, 1281036985991]

約数ペア:

[(1, 1281036985991), (7, 183005283713), (17, 75355116823), (37, 34622621243), (49, 26143611959), (109, 11752632899), (119, 10765016689), (259, 4946088749), (629, 2036624779), (763, 1678947557), (833, 1537859527), (1813, 706584107), (1853, 691331347), (4033, 317638727), (4403, 290946397), (5341, 239849651), (12971, 98761621), (28231, 45376961), (30821, 41563771), (68561, 18684631), (90797, 14108803), (197617, 6482423), (381319, 3359489), (479927, 2669233)]