261479335

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{3917}}^1$

素因数の和:4027

約数の個数: 24

約数和(自身を含む): 344157120

約数和(自身を除く): 82677785

約数列:

[1, 5, 13, 65, 79, 169, 395, 845, 1027, 3917, 5135, 13351, 19585, 50921, 66755, 254605, 309443, 661973, 1547215, 3309865, 4022759, 20113795, 52295867, 261479335]

約数ペア:

[(1, 261479335), (5, 52295867), (13, 20113795), (65, 4022759), (79, 3309865), (169, 1547215), (395, 661973), (845, 309443), (1027, 254605), (3917, 66755), (5135, 50921), (13351, 19585)]