645156617

素因数分解:

$7^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1\times {\mathrm{2389}}^1$

素因数の和:2792

約数の個数: 16

約数和(自身を含む): 745221120

約数和(自身を除く): 100064503

約数列:

[1, 7, 173, 223, 1211, 1561, 2389, 16723, 38579, 270053, 413297, 532747, 2893079, 3729229, 92165231, 645156617]

約数ペア:

[(1, 645156617), (7, 92165231), (173, 3729229), (223, 2893079), (1211, 532747), (1561, 413297), (2389, 270053), (16723, 38579)]