656965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 16

約数和(自身を含む): 855360

約数和(自身を除く): 198395

約数列:

[1, 5, 17, 59, 85, 131, 295, 655, 1003, 2227, 5015, 7729, 11135, 38645, 131393, 656965]

約数ペア:

[(1, 656965), (5, 131393), (17, 38645), (59, 11135), (85, 7729), (131, 5015), (295, 2227), (655, 1003)]