12171965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{691}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 15810816

約数和(自身を除く): 3638851

約数列:

[1, 5, 13, 65, 271, 691, 1355, 3455, 3523, 8983, 17615, 44915, 187261, 936305, 2434393, 12171965]

約数ペア:

[(1, 12171965), (5, 2434393), (13, 936305), (65, 187261), (271, 44915), (691, 17615), (1355, 8983), (3455, 3523)]