157416805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 248371200

約数和(自身を除く): 90954395

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 131, 133, 139, 247, 455, 655, 665, 695, 917, 973, 1235, 1703, 1729, 1807, 2489, 2641, 4585, 4865, 8515, 8645, 9035, 11921, 12445, 12649, 13205, 17423, 18209, 18487, 32357, 34333, 59605, 63245, 87115, 91045, 92435, 127463, 161785, 171665, 226499, 236717, 240331, 345971, 637315, 1132495, 1183585, 1201655, 1657019, 1729855, 2421797, 4497623, 8285095, 12108985, 22488115, 31483361, 157416805]

約数ペア:

[(1, 157416805), (5, 31483361), (7, 22488115), (13, 12108985), (19, 8285095), (35, 4497623), (65, 2421797), (91, 1729855), (95, 1657019), (131, 1201655), (133, 1183585), (139, 1132495), (247, 637315), (455, 345971), (655, 240331), (665, 236717), (695, 226499), (917, 171665), (973, 161785), (1235, 127463), (1703, 92435), (1729, 91045), (1807, 87115), (2489, 63245), (2641, 59605), (4585, 34333), (4865, 32357), (8515, 18487), (8645, 18209), (9035, 17423), (11921, 13205), (12445, 12649)]