30921878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{69959}}^1$

素因数の和:69991

約数の個数: 16

約数和(自身を含む): 52889760

約数和(自身を除く): 21967882

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 69959, 139918, 909467, 1189303, 1818934, 2378606, 15460939, 30921878]

約数ペア:

[(1, 30921878), (2, 15460939), (13, 2378606), (17, 1818934), (26, 1189303), (34, 909467), (221, 139918), (442, 69959)]