1285672816

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{632713}}^1$

素因数の和:632848

約数の個数: 20

約数和(自身を含む): 2510609152

約数和(自身を除く): 1224936336

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 632713, 1265426, 2530852, 5061704, 10123408, 80354551, 160709102, 321418204, 642836408, 1285672816]

約数ペア:

[(1, 1285672816), (2, 642836408), (4, 321418204), (8, 160709102), (16, 80354551), (127, 10123408), (254, 5061704), (508, 2530852), (1016, 1265426), (2032, 632713)]