400987004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{40867}}^1$

素因数の和:41105

約数の個数: 24

約数和(自身を含む): 768972288

約数和(自身を除く): 367985284

約数列:

[1, 2, 4, 11, 22, 44, 223, 446, 892, 2453, 4906, 9812, 40867, 81734, 163468, 449537, 899074, 1798148, 9113341, 18226682, 36453364, 100246751, 200493502, 400987004]

約数ペア:

[(1, 400987004), (2, 200493502), (4, 100246751), (11, 36453364), (22, 18226682), (44, 9113341), (223, 1798148), (446, 899074), (892, 449537), (2453, 163468), (4906, 81734), (9812, 40867)]