209124565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{189253}}^1$

素因数の和:189288

約数の個数: 16

約数和(自身を含む): 286152048

約数和(自身を除く): 77027483

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 189253, 946265, 2460289, 3217301, 12301445, 16086505, 41824913, 209124565]

約数ペア:

[(1, 209124565), (5, 41824913), (13, 16086505), (17, 12301445), (65, 3217301), (85, 2460289), (221, 946265), (1105, 189253)]