161522525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{977}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 212832360

約数和(自身を除く): 51309835

約数列:

[1, 5, 17, 25, 85, 389, 425, 977, 1945, 4885, 6613, 9725, 16609, 24425, 33065, 83045, 165325, 380053, 415225, 1900265, 6460901, 9501325, 32304505, 161522525]

約数ペア:

[(1, 161522525), (5, 32304505), (17, 9501325), (25, 6460901), (85, 1900265), (389, 415225), (425, 380053), (977, 165325), (1945, 83045), (4885, 33065), (6613, 24425), (9725, 16609)]