128314370

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{32321}}^1$

素因数の和:32725

約数の個数: 16

約数和(自身を含む): 231554808

約数和(自身を除く): 103240438

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 32321, 64642, 161605, 323210, 12831437, 25662874, 64157185, 128314370]

約数ペア:

[(1, 128314370), (2, 64157185), (5, 25662874), (10, 12831437), (397, 323210), (794, 161605), (1985, 64642), (3970, 32321)]