128250874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71809}}^1$

素因数の和:71877

約数の個数: 16

約数和(自身を含む): 206812800

約数和(自身を除く): 78561926

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 71809, 143618, 1364371, 2728742, 3375023, 6750046, 64125437, 128250874]

約数ペア:

[(1, 128250874), (2, 64125437), (19, 6750046), (38, 3375023), (47, 2728742), (94, 1364371), (893, 143618), (1786, 71809)]