780808679

素因数分解:

$7^2\times {\mathrm{101}}^1\times {\mathrm{157771}}^1$

素因数の和:157886

約数の個数: 12

約数和(自身を含む): 917286408

約数和(自身を除く): 136477729

約数列:

[1, 7, 49, 101, 707, 4949, 157771, 1104397, 7730779, 15934871, 111544097, 780808679]

約数ペア:

[(1, 780808679), (7, 111544097), (49, 15934871), (101, 7730779), (707, 1104397), (4949, 157771)]