317970575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{2179}}^1$

素因数の和:2651

約数の個数: 24

約数和(自身を含む): 425754000

約数和(自身を除く): 107783425

約数列:

[1, 5, 13, 25, 65, 325, 449, 2179, 2245, 5837, 10895, 11225, 28327, 29185, 54475, 141635, 145925, 708175, 978371, 4891855, 12718823, 24459275, 63594115, 317970575]

約数ペア:

[(1, 317970575), (5, 63594115), (13, 24459275), (25, 12718823), (65, 4891855), (325, 978371), (449, 708175), (2179, 145925), (2245, 141635), (5837, 54475), (10895, 29185), (11225, 28327)]