256831404

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{690407}}^1$

素因数の和:690445

約数の個数: 24

約数和(自身を含む): 618605568

約数和(自身を除く): 361774164

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 690407, 1380814, 2071221, 2761628, 4142442, 8284884, 21402617, 42805234, 64207851, 85610468, 128415702, 256831404]

約数ペア:

[(1, 256831404), (2, 128415702), (3, 85610468), (4, 64207851), (6, 42805234), (12, 21402617), (31, 8284884), (62, 4142442), (93, 2761628), (124, 2071221), (186, 1380814), (372, 690407)]