78145456

素因数分解:

$2^4\times {\mathrm{2207}}^1\times {\mathrm{2213}}^1$

素因数の和:4428

約数の個数: 20

約数和(自身を含む): 151543872

約数和(自身を除く): 73398416

約数列:

[1, 2, 4, 8, 16, 2207, 2213, 4414, 4426, 8828, 8852, 17656, 17704, 35312, 35408, 4884091, 9768182, 19536364, 39072728, 78145456]

約数ペア:

[(1, 78145456), (2, 39072728), (4, 19536364), (8, 9768182), (16, 4884091), (2207, 35408), (2213, 35312), (4414, 17704), (4426, 17656), (8828, 8852)]