405855790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{947}}^1\times {\mathrm{2521}}^1$

素因数の和:3492

約数の個数: 32

約数和(自身を含む): 774637344

約数和(自身を除く): 368781554

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 947, 1894, 2521, 4735, 5042, 9470, 12605, 16099, 25210, 32198, 42857, 80495, 85714, 160990, 214285, 428570, 2387387, 4774774, 11936935, 23873870, 40585579, 81171158, 202927895, 405855790]

約数ペア:

[(1, 405855790), (2, 202927895), (5, 81171158), (10, 40585579), (17, 23873870), (34, 11936935), (85, 4774774), (170, 2387387), (947, 428570), (1894, 214285), (2521, 160990), (4735, 85714), (5042, 80495), (9470, 42857), (12605, 32198), (16099, 25210)]