71828570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 151725312

約数和(自身を除く): 79896742

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 71, 85, 110, 142, 170, 187, 355, 374, 541, 710, 781, 935, 1082, 1207, 1562, 1870, 2414, 2705, 3905, 5410, 5951, 6035, 7810, 9197, 11902, 12070, 13277, 18394, 26554, 29755, 38411, 45985, 59510, 66385, 76822, 91970, 101167, 132770, 192055, 202334, 384110, 422521, 505835, 652987, 845042, 1011670, 1305974, 2112605, 3264935, 4225210, 6529870, 7182857, 14365714, 35914285, 71828570]

約数ペア:

[(1, 71828570), (2, 35914285), (5, 14365714), (10, 7182857), (11, 6529870), (17, 4225210), (22, 3264935), (34, 2112605), (55, 1305974), (71, 1011670), (85, 845042), (110, 652987), (142, 505835), (170, 422521), (187, 384110), (355, 202334), (374, 192055), (541, 132770), (710, 101167), (781, 91970), (935, 76822), (1082, 66385), (1207, 59510), (1562, 45985), (1870, 38411), (2414, 29755), (2705, 26554), (3905, 18394), (5410, 13277), (5951, 12070), (6035, 11902), (7810, 9197)]