388629865

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{619}}^1\times {\mathrm{743}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 506485440

約数和(自身を除く): 117855575

約数列:

[1, 5, 13, 65, 169, 619, 743, 845, 3095, 3715, 8047, 9659, 40235, 48295, 104611, 125567, 459917, 523055, 627835, 2299585, 5978921, 29894605, 77725973, 388629865]

約数ペア:

[(1, 388629865), (5, 77725973), (13, 29894605), (65, 5978921), (169, 2299585), (619, 627835), (743, 523055), (845, 459917), (3095, 125567), (3715, 104611), (8047, 48295), (9659, 40235)]