128319710

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{28579}}^1$

素因数の和:29035

約数の個数: 16

約数和(自身を含む): 231498000

約数和(自身を除く): 103178290

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 28579, 57158, 142895, 285790, 12831971, 25663942, 64159855, 128319710]

約数ペア:

[(1, 128319710), (2, 64159855), (5, 25663942), (10, 12831971), (449, 285790), (898, 142895), (2245, 57158), (4490, 28579)]