64754885

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 84787560

約数和(自身を除く): 20032675

約数列:

[1, 5, 13, 65, 169, 197, 389, 845, 985, 1945, 2561, 5057, 12805, 25285, 33293, 65741, 76633, 166465, 328705, 383165, 996229, 4981145, 12950977, 64754885]

約数ペア:

[(1, 64754885), (5, 12950977), (13, 4981145), (65, 996229), (169, 383165), (197, 328705), (389, 166465), (845, 76633), (985, 65741), (1945, 33293), (2561, 25285), (5057, 12805)]