86649025

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{9601}}^1$

素因数の和:9649

約数の個数: 18

約数和(自身を含む): 113409222

約数和(自身を除く): 26760197

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 9025, 9601, 48005, 182419, 240025, 912095, 3465961, 4560475, 17329805, 86649025]

約数ペア:

[(1, 86649025), (5, 17329805), (19, 4560475), (25, 3465961), (95, 912095), (361, 240025), (475, 182419), (1805, 48005), (9025, 9601)]