128542525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{2003}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 169971264

約数和(自身を除く): 41428739

約数列:

[1, 5, 17, 25, 85, 151, 425, 755, 2003, 2567, 3775, 10015, 12835, 34051, 50075, 64175, 170255, 302453, 851275, 1512265, 5141701, 7561325, 25708505, 128542525]

約数ペア:

[(1, 128542525), (5, 25708505), (17, 7561325), (25, 5141701), (85, 1512265), (151, 851275), (425, 302453), (755, 170255), (2003, 64175), (2567, 50075), (3775, 34051), (10015, 12835)]