128701097

素因数分解:

$7^2\times {\mathrm{1171}}^1\times {\mathrm{2243}}^1$

素因数の和:3428

約数の個数: 12

約数和(自身を含む): 149908176

約数和(自身を除く): 21207079

約数列:

[1, 7, 49, 1171, 2243, 8197, 15701, 57379, 109907, 2626553, 18385871, 128701097]

約数ペア:

[(1, 128701097), (7, 18385871), (49, 2626553), (1171, 109907), (2243, 57379), (8197, 15701)]