15871895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4003}}^1$

素因数の和:4082

約数の個数: 16

約数和(自身を含む): 20852832

約数和(自身を除く): 4980937

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 4003, 20015, 52039, 244183, 260195, 1220915, 3174379, 15871895]

約数ペア:

[(1, 15871895), (5, 3174379), (13, 1220915), (61, 260195), (65, 244183), (305, 52039), (793, 20015), (3965, 4003)]