980740831

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{645649}}^1$

素因数の和:645694

約数の個数: 12

約数和(自身を含む): 1177665600

約数和(自身を除く): 196924769

約数列:

[1, 7, 31, 49, 217, 1519, 645649, 4519543, 20015119, 31636801, 140105833, 980740831]

約数ペア:

[(1, 980740831), (7, 140105833), (31, 31636801), (49, 20015119), (217, 4519543), (1519, 645649)]