2040781688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{66449}}^1$

素因数の和:66815

約数の個数: 32

約数和(自身を含む): 4186350000

約数和(自身を除く): 2145568312

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 349, 698, 1396, 2792, 3839, 7678, 15356, 30712, 66449, 132898, 265796, 531592, 730939, 1461878, 2923756, 5847512, 23190701, 46381402, 92762804, 185525608, 255097711, 510195422, 1020390844, 2040781688]

約数ペア:

[(1, 2040781688), (2, 1020390844), (4, 510195422), (8, 255097711), (11, 185525608), (22, 92762804), (44, 46381402), (88, 23190701), (349, 5847512), (698, 2923756), (1396, 1461878), (2792, 730939), (3839, 531592), (7678, 265796), (15356, 132898), (30712, 66449)]