641408894

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1\times {\mathrm{991}}^1$

素因数の和:1640

約数の個数: 32

約数和(自身を含む): 1115928576

約数和(自身を除く): 474519682

約数列:

[1, 2, 7, 14, 83, 166, 557, 581, 991, 1114, 1162, 1982, 3899, 6937, 7798, 13874, 46231, 82253, 92462, 164506, 323617, 551987, 575771, 647234, 1103974, 1151542, 3863909, 7727818, 45814921, 91629842, 320704447, 641408894]

約数ペア:

[(1, 641408894), (2, 320704447), (7, 91629842), (14, 45814921), (83, 7727818), (166, 3863909), (557, 1151542), (581, 1103974), (991, 647234), (1114, 575771), (1162, 551987), (1982, 323617), (3899, 164506), (6937, 92462), (7798, 82253), (13874, 46231)]