8690990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11287}}^1$

素因数の和:11312

約数の個数: 32

約数和(自身を含む): 19505664

約数和(自身を除く): 10814674

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 11287, 22574, 56435, 79009, 112870, 124157, 158018, 248314, 395045, 620785, 790090, 869099, 1241570, 1738198, 4345495, 8690990]

約数ペア:

[(1, 8690990), (2, 4345495), (5, 1738198), (7, 1241570), (10, 869099), (11, 790090), (14, 620785), (22, 395045), (35, 248314), (55, 158018), (70, 124157), (77, 112870), (110, 79009), (154, 56435), (385, 22574), (770, 11287)]