30988964

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{249911}}^1$

素因数の和:249946

約数の個数: 12

約数和(自身を含む): 55980288

約数和(自身を除く): 24991324

約数列:

[1, 2, 4, 31, 62, 124, 249911, 499822, 999644, 7747241, 15494482, 30988964]

約数ペア:

[(1, 30988964), (2, 15494482), (4, 7747241), (31, 999644), (62, 499822), (124, 249911)]