391157290

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1\times {\mathrm{1097}}^1$

素因数の和:1482

約数の個数: 32

約数和(自身を含む): 712215504

約数和(自身を除く): 321058214

約数列:

[1, 2, 5, 10, 181, 197, 362, 394, 905, 985, 1097, 1810, 1970, 2194, 5485, 10970, 35657, 71314, 178285, 198557, 216109, 356570, 397114, 432218, 992785, 1080545, 1985570, 2161090, 39115729, 78231458, 195578645, 391157290]

約数ペア:

[(1, 391157290), (2, 195578645), (5, 78231458), (10, 39115729), (181, 2161090), (197, 1985570), (362, 1080545), (394, 992785), (905, 432218), (985, 397114), (1097, 356570), (1810, 216109), (1970, 198557), (2194, 178285), (5485, 71314), (10970, 35657)]