389972048

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{840457}}^1$

素因数の和:840494

約数の個数: 20

約数和(自身を含む): 781625940

約数和(自身を除く): 391653892

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 840457, 1680914, 3361828, 6723656, 13447312, 24373253, 48746506, 97493012, 194986024, 389972048]

約数ペア:

[(1, 389972048), (2, 194986024), (4, 97493012), (8, 48746506), (16, 24373253), (29, 13447312), (58, 6723656), (116, 3361828), (232, 1680914), (464, 840457)]