15689215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1409}}^1$

素因数の和:1562

約数の個数: 16

約数和(自身を含む): 20100960

約数和(自身を除く): 4411745

約数列:

[1, 5, 17, 85, 131, 655, 1409, 2227, 7045, 11135, 23953, 119765, 184579, 922895, 3137843, 15689215]

約数ペア:

[(1, 15689215), (5, 3137843), (17, 922895), (85, 184579), (131, 119765), (655, 23953), (1409, 11135), (2227, 7045)]