10991825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 15165696

約数和(自身を除く): 4173871

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 1091, 2015, 5455, 10075, 14183, 27275, 33821, 70915, 169105, 354575, 439673, 845525, 2198365, 10991825]

約数ペア:

[(1, 10991825), (5, 2198365), (13, 845525), (25, 439673), (31, 354575), (65, 169105), (155, 70915), (325, 33821), (403, 27275), (775, 14183), (1091, 10075), (2015, 5455)]