401888968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1598

約数の個数: 64

約数和(自身を含む): 845752320

約数和(自身を除く): 443863352

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 71, 74, 104, 142, 148, 284, 296, 481, 568, 923, 962, 1471, 1846, 1924, 2627, 2942, 3692, 3848, 5254, 5884, 7384, 10508, 11768, 19123, 21016, 34151, 38246, 54427, 68302, 76492, 104441, 108854, 136604, 152984, 208882, 217708, 273208, 417764, 435416, 707551, 835528, 1357733, 1415102, 2715466, 2830204, 3864317, 5430932, 5660408, 7728634, 10861864, 15457268, 30914536, 50236121, 100472242, 200944484, 401888968]

約数ペア:

[(1, 401888968), (2, 200944484), (4, 100472242), (8, 50236121), (13, 30914536), (26, 15457268), (37, 10861864), (52, 7728634), (71, 5660408), (74, 5430932), (104, 3864317), (142, 2830204), (148, 2715466), (284, 1415102), (296, 1357733), (481, 835528), (568, 707551), (923, 435416), (962, 417764), (1471, 273208), (1846, 217708), (1924, 208882), (2627, 152984), (2942, 136604), (3692, 108854), (3848, 104441), (5254, 76492), (5884, 68302), (7384, 54427), (10508, 38246), (11768, 34151), (19123, 21016)]