31107830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 61663680

約数和(自身を除く): 30555850

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 169, 233, 338, 395, 466, 790, 845, 1027, 1165, 1690, 2054, 2330, 3029, 5135, 6058, 10270, 13351, 15145, 18407, 26702, 30290, 36814, 39377, 66755, 78754, 92035, 133510, 184070, 196885, 239291, 393770, 478582, 1196455, 2392910, 3110783, 6221566, 15553915, 31107830]

約数ペア:

[(1, 31107830), (2, 15553915), (5, 6221566), (10, 3110783), (13, 2392910), (26, 1196455), (65, 478582), (79, 393770), (130, 239291), (158, 196885), (169, 184070), (233, 133510), (338, 92035), (395, 78754), (466, 66755), (790, 39377), (845, 36814), (1027, 30290), (1165, 26702), (1690, 18407), (2054, 15145), (2330, 13351), (3029, 10270), (5135, 6058)]