661247524

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{208991}}^1$

素因数の和:209115

約数の個数: 24

約数和(自身を含む): 1334204928

約数和(自身を除く): 672957404

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 208991, 417982, 835964, 1462937, 2925874, 5851748, 23615983, 47231966, 94463932, 165311881, 330623762, 661247524]

約数ペア:

[(1, 661247524), (2, 330623762), (4, 165311881), (7, 94463932), (14, 47231966), (28, 23615983), (113, 5851748), (226, 2925874), (452, 1462937), (791, 835964), (1582, 417982), (3164, 208991)]