855820816

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{340693}}^1$

素因数の和:340858

約数の個数: 20

約数和(自身を含む): 1668719212

約数和(自身を除く): 812898396

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 340693, 681386, 1362772, 2725544, 5451088, 53488801, 106977602, 213955204, 427910408, 855820816]

約数ペア:

[(1, 855820816), (2, 427910408), (4, 213955204), (8, 106977602), (16, 53488801), (157, 5451088), (314, 2725544), (628, 1362772), (1256, 681386), (2512, 340693)]