128204245

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{877}}^1$

素因数の和:1081

約数の個数: 24

約数和(自身を含む): 167743656

約数和(自身を除く): 39539411

約数列:

[1, 5, 13, 65, 169, 173, 845, 865, 877, 2249, 4385, 11245, 11401, 29237, 57005, 146185, 148213, 151721, 741065, 758605, 1972373, 9861865, 25640849, 128204245]

約数ペア:

[(1, 128204245), (5, 25640849), (13, 9861865), (65, 1972373), (169, 758605), (173, 741065), (845, 151721), (865, 148213), (877, 146185), (2249, 57005), (4385, 29237), (11245, 11401)]