217638533

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{12917}}^1$

素因数の和:13036

約数の個数: 16

約数和(自身を含む): 260426880

約数和(自身を除く): 42788347

約数列:

[1, 7, 29, 83, 203, 581, 2407, 12917, 16849, 90419, 374593, 1072111, 2622151, 7504777, 31091219, 217638533]

約数ペア:

[(1, 217638533), (7, 31091219), (29, 7504777), (83, 2622151), (203, 1072111), (581, 374593), (2407, 90419), (12917, 16849)]