209538906

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{3943}}^1$

素因数の和:4486

約数の個数: 32

約数和(自身を含む): 444693888

約数和(自身を除く): 235154982

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 521, 1042, 1563, 3126, 3943, 7886, 8857, 11829, 17714, 23658, 26571, 53142, 67031, 134062, 201093, 402186, 2054303, 4108606, 6162909, 12325818, 34923151, 69846302, 104769453, 209538906]

約数ペア:

[(1, 209538906), (2, 104769453), (3, 69846302), (6, 34923151), (17, 12325818), (34, 6162909), (51, 4108606), (102, 2054303), (521, 402186), (1042, 201093), (1563, 134062), (3126, 67031), (3943, 53142), (7886, 26571), (8857, 23658), (11829, 17714)]