81465416

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{1753}}^1$

素因数の和:1953

約数の個数: 32

約数和(自身を含む): 157965240

約数和(自身を除く): 76499824

約数列:

[1, 2, 4, 8, 37, 74, 148, 157, 296, 314, 628, 1256, 1753, 3506, 5809, 7012, 11618, 14024, 23236, 46472, 64861, 129722, 259444, 275221, 518888, 550442, 1100884, 2201768, 10183177, 20366354, 40732708, 81465416]

約数ペア:

[(1, 81465416), (2, 40732708), (4, 20366354), (8, 10183177), (37, 2201768), (74, 1100884), (148, 550442), (157, 518888), (296, 275221), (314, 259444), (628, 129722), (1256, 64861), (1753, 46472), (3506, 23236), (5809, 14024), (7012, 11618)]