26178945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 47433600

約数和(自身を除く): 21254655

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 169, 195, 299, 345, 449, 507, 845, 897, 1347, 1495, 2245, 2535, 3887, 4485, 5837, 6735, 10327, 11661, 17511, 19435, 29185, 30981, 51635, 58305, 75881, 87555, 134251, 154905, 227643, 379405, 402753, 671255, 1138215, 1745263, 2013765, 5235789, 8726315, 26178945]

約数ペア:

[(1, 26178945), (3, 8726315), (5, 5235789), (13, 2013765), (15, 1745263), (23, 1138215), (39, 671255), (65, 402753), (69, 379405), (115, 227643), (169, 154905), (195, 134251), (299, 87555), (345, 75881), (449, 58305), (507, 51635), (845, 30981), (897, 29185), (1347, 19435), (1495, 17511), (2245, 11661), (2535, 10327), (3887, 6735), (4485, 5837)]