128897645

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{2609}}^1$

素因数の和:2896

約数の個数: 16

約数和(自身を含む): 159168240

約数和(自身を除く): 30270595

約数列:

[1, 5, 41, 205, 241, 1205, 2609, 9881, 13045, 49405, 106969, 534845, 628769, 3143845, 25779529, 128897645]

約数ペア:

[(1, 128897645), (5, 25779529), (41, 3143845), (205, 628769), (241, 534845), (1205, 106969), (2609, 49405), (9881, 13045)]