127962575

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1044

約数の個数: 36

約数和(自身を含む): 177542208

約数和(自身を除く): 49579633

約数列:

[1, 5, 13, 25, 31, 65, 155, 169, 325, 403, 775, 845, 977, 2015, 4225, 4885, 5239, 10075, 12701, 24425, 26195, 30287, 63505, 130975, 151435, 165113, 317525, 393731, 757175, 825565, 1968655, 4127825, 5118503, 9843275, 25592515, 127962575]

約数ペア:

[(1, 127962575), (5, 25592515), (13, 9843275), (25, 5118503), (31, 4127825), (65, 1968655), (155, 825565), (169, 757175), (325, 393731), (403, 317525), (775, 165113), (845, 151435), (977, 130975), (2015, 63505), (4225, 30287), (4885, 26195), (5239, 24425), (10075, 12701)]