138715225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{991}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 188202240

約数和(自身を除く): 49487015

約数列:

[1, 5, 11, 25, 55, 275, 509, 991, 2545, 4955, 5599, 10901, 12725, 24775, 27995, 54505, 139975, 272525, 504419, 2522095, 5548609, 12610475, 27743045, 138715225]

約数ペア:

[(1, 138715225), (5, 27743045), (11, 12610475), (25, 5548609), (55, 2522095), (275, 504419), (509, 272525), (991, 139975), (2545, 54505), (4955, 27995), (5599, 24775), (10901, 12725)]