64649105

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{661}}^1$

素因数の和:1328

約数の個数: 16

約数和(自身を含む): 80329728

約数和(自身を除く): 15680623

約数列:

[1, 5, 31, 155, 631, 661, 3155, 3305, 19561, 20491, 97805, 102455, 417091, 2085455, 12929821, 64649105]

約数ペア:

[(1, 64649105), (5, 12929821), (31, 2085455), (155, 417091), (631, 102455), (661, 97805), (3155, 20491), (3305, 19561)]