290470898

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{125311}}^1$

素因数の和:125393

約数の個数: 16

約数和(自身を含む): 466160640

約数和(自身を除く): 175689742

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 125311, 250622, 2380909, 4761818, 7643971, 15287942, 145235449, 290470898]

約数ペア:

[(1, 290470898), (2, 145235449), (19, 15287942), (38, 7643971), (61, 4761818), (122, 2380909), (1159, 250622), (2318, 125311)]