87489025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1117}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 117421304

約数和(自身を除く): 29932279

約数列:

[1, 5, 13, 25, 65, 241, 325, 1117, 1205, 3133, 5585, 6025, 14521, 15665, 27925, 72605, 78325, 269197, 363025, 1345985, 3499561, 6729925, 17497805, 87489025]

約数ペア:

[(1, 87489025), (5, 17497805), (13, 6729925), (25, 3499561), (65, 1345985), (241, 363025), (325, 269197), (1117, 78325), (1205, 72605), (3133, 27925), (5585, 15665), (6025, 14521)]