157429904

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{317399}}^1$

素因数の和:317438

約数の個数: 20

約数和(自身を含む): 314860800

約数和(自身を除く): 157430896

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 317399, 634798, 1269596, 2539192, 5078384, 9839369, 19678738, 39357476, 78714952, 157429904]

約数ペア:

[(1, 157429904), (2, 78714952), (4, 39357476), (8, 19678738), (16, 9839369), (31, 5078384), (62, 2539192), (124, 1269596), (248, 634798), (496, 317399)]