389941565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{43159}}^1$

素因数の和:43316

約数の個数: 16

約数和(自身を含む): 507561600

約数和(自身を除く): 117620035

約数列:

[1, 5, 13, 65, 139, 695, 1807, 9035, 43159, 215795, 561067, 2805335, 5999101, 29995505, 77988313, 389941565]

約数ペア:

[(1, 389941565), (5, 77988313), (13, 29995505), (65, 5999101), (139, 2805335), (695, 561067), (1807, 215795), (9035, 43159)]