71561644

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{821}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 156877056

約数和(自身を除く): 85315412

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 283, 308, 566, 821, 1132, 1642, 1981, 3113, 3284, 3962, 5747, 6226, 7924, 9031, 11494, 12452, 18062, 21791, 22988, 36124, 43582, 63217, 87164, 126434, 232343, 252868, 464686, 929372, 1626401, 2555773, 3252802, 5111546, 6505604, 10223092, 17890411, 35780822, 71561644]

約数ペア:

[(1, 71561644), (2, 35780822), (4, 17890411), (7, 10223092), (11, 6505604), (14, 5111546), (22, 3252802), (28, 2555773), (44, 1626401), (77, 929372), (154, 464686), (283, 252868), (308, 232343), (566, 126434), (821, 87164), (1132, 63217), (1642, 43582), (1981, 36124), (3113, 22988), (3284, 21791), (3962, 18062), (5747, 12452), (6226, 11494), (7924, 9031)]