158492068

素因数分解:

$2^2\times 7^3\times {\mathrm{331}}^1\times {\mathrm{349}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 325360000

約数和(自身を除く): 166867932

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 331, 343, 349, 662, 686, 698, 1324, 1372, 1396, 2317, 2443, 4634, 4886, 9268, 9772, 16219, 17101, 32438, 34202, 64876, 68404, 113533, 115519, 119707, 227066, 231038, 239414, 454132, 462076, 478828, 808633, 1617266, 3234532, 5660431, 11320862, 22641724, 39623017, 79246034, 158492068]

約数ペア:

[(1, 158492068), (2, 79246034), (4, 39623017), (7, 22641724), (14, 11320862), (28, 5660431), (49, 3234532), (98, 1617266), (196, 808633), (331, 478828), (343, 462076), (349, 454132), (662, 239414), (686, 231038), (698, 227066), (1324, 119707), (1372, 115519), (1396, 113533), (2317, 68404), (2443, 64876), (4634, 34202), (4886, 32438), (9268, 17101), (9772, 16219)]