256348528

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{340889}}^1$

素因数の和:340944

約数の個数: 20

約数和(自身を含む): 507244320

約数和(自身を除く): 250895792

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 340889, 681778, 1363556, 2727112, 5454224, 16021783, 32043566, 64087132, 128174264, 256348528]

約数ペア:

[(1, 256348528), (2, 128174264), (4, 64087132), (8, 32043566), (16, 16021783), (47, 5454224), (94, 2727112), (188, 1363556), (376, 681778), (752, 340889)]