128392984

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{219851}}^1$

素因数の和:219930

約数の個数: 16

約数和(自身を含む): 244035720

約数和(自身を除く): 115642736

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 219851, 439702, 879404, 1758808, 16049123, 32098246, 64196492, 128392984]

約数ペア:

[(1, 128392984), (2, 64196492), (4, 32098246), (8, 16049123), (73, 1758808), (146, 879404), (292, 439702), (584, 219851)]