257869072

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{2503}}^1$

素因数の和:2695

約数の個数: 40

約数和(自身を含む): 514181376

約数和(自身を除く): 256312304

約数列:

[1, 2, 4, 8, 16, 47, 94, 137, 188, 274, 376, 548, 752, 1096, 2192, 2503, 5006, 6439, 10012, 12878, 20024, 25756, 40048, 51512, 103024, 117641, 235282, 342911, 470564, 685822, 941128, 1371644, 1882256, 2743288, 5486576, 16116817, 32233634, 64467268, 128934536, 257869072]

約数ペア:

[(1, 257869072), (2, 128934536), (4, 64467268), (8, 32233634), (16, 16116817), (47, 5486576), (94, 2743288), (137, 1882256), (188, 1371644), (274, 941128), (376, 685822), (548, 470564), (752, 342911), (1096, 235282), (2192, 117641), (2503, 103024), (5006, 51512), (6439, 40048), (10012, 25756), (12878, 20024)]