2217778855

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1\times {\mathrm{6449}}^1$

素因数の和:7194

約数の個数: 16

約数和(自身を含む): 2690424000

約数和(自身を除く): 472645145

約数列:

[1, 5, 109, 545, 631, 3155, 6449, 32245, 68779, 343895, 702941, 3514705, 4069319, 20346595, 443555771, 2217778855]

約数ペア:

[(1, 2217778855), (5, 443555771), (109, 20346595), (545, 4069319), (631, 3514705), (3155, 702941), (6449, 343895), (32245, 68779)]