1620408377

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{64499}}^1$

素因数の和:64640

約数の個数: 16

約数和(自身を含む): 1921584000

約数和(自身を除く): 301175623

約数列:

[1, 7, 37, 97, 259, 679, 3589, 25123, 64499, 451493, 2386463, 6256403, 16705241, 43794821, 231486911, 1620408377]

約数ペア:

[(1, 1620408377), (7, 231486911), (37, 43794821), (97, 16705241), (259, 6256403), (679, 2386463), (3589, 451493), (25123, 64499)]