13281665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{557}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 16873920

約数和(自身を除く): 3592255

約数列:

[1, 5, 19, 95, 251, 557, 1255, 2785, 4769, 10583, 23845, 52915, 139807, 699035, 2656333, 13281665]

約数ペア:

[(1, 13281665), (5, 2656333), (19, 699035), (95, 139807), (251, 52915), (557, 23845), (1255, 10583), (2785, 4769)]