661630390

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{906343}}^1$

素因数の和:906423

約数の個数: 16

約数和(自身を含む): 1207250208

約数和(自身を除く): 545619818

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 906343, 1812686, 4531715, 9063430, 66163039, 132326078, 330815195, 661630390]

約数ペア:

[(1, 661630390), (2, 330815195), (5, 132326078), (10, 66163039), (73, 9063430), (146, 4531715), (365, 1812686), (730, 906343)]