991012309

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{652411}}^1$

素因数の和:652456

約数の個数: 12

約数和(自身を含む): 1189999488

約数和(自身を除く): 198987179

約数列:

[1, 7, 31, 49, 217, 1519, 652411, 4566877, 20224741, 31968139, 141573187, 991012309]

約数ペア:

[(1, 991012309), (7, 141573187), (31, 31968139), (49, 20224741), (217, 4566877), (1519, 652411)]