128975212

素因数分解:

$2^2\times {\mathrm{617}}^1\times {\mathrm{52259}}^1$

素因数の和:52880

約数の個数: 12

約数和(自身を含む): 226076760

約数和(自身を除く): 97101548

約数列:

[1, 2, 4, 617, 1234, 2468, 52259, 104518, 209036, 32243803, 64487606, 128975212]

約数ペア:

[(1, 128975212), (2, 64487606), (4, 32243803), (617, 209036), (1234, 104518), (2468, 52259)]