65257985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 90629280

約数和(自身を除く): 25371295

約数列:

[1, 5, 13, 17, 65, 73, 85, 221, 365, 809, 949, 1105, 1241, 4045, 4745, 6205, 10517, 13753, 16133, 52585, 59057, 68765, 80665, 178789, 295285, 767741, 893945, 1003969, 3838705, 5019845, 13051597, 65257985]

約数ペア:

[(1, 65257985), (5, 13051597), (13, 5019845), (17, 3838705), (65, 1003969), (73, 893945), (85, 767741), (221, 295285), (365, 178789), (809, 80665), (949, 68765), (1105, 59057), (1241, 52585), (4045, 16133), (4745, 13753), (6205, 10517)]