128812210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{677959}}^1$

素因数の和:677985

約数の個数: 16

約数和(自身を含む): 244065600

約数和(自身を除く): 115253390

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 677959, 1355918, 3389795, 6779590, 12881221, 25762442, 64406105, 128812210]

約数ペア:

[(1, 128812210), (2, 64406105), (5, 25762442), (10, 12881221), (19, 6779590), (38, 3389795), (95, 1355918), (190, 677959)]