1287804674

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 2145896064

約数和(自身を除く): 858091390

約数列:

[1, 2, 13, 26, 71, 103, 142, 169, 206, 338, 521, 923, 1042, 1339, 1846, 2678, 6773, 7313, 11999, 13546, 14626, 17407, 23998, 34814, 36991, 53663, 73982, 88049, 95069, 107326, 176098, 190138, 480883, 697619, 961766, 1235897, 1395238, 2471794, 3810073, 6251479, 7620146, 9069047, 12502958, 18138094, 49530949, 99061898, 643902337, 1287804674]

約数ペア:

[(1, 1287804674), (2, 643902337), (13, 99061898), (26, 49530949), (71, 18138094), (103, 12502958), (142, 9069047), (169, 7620146), (206, 6251479), (338, 3810073), (521, 2471794), (923, 1395238), (1042, 1235897), (1339, 961766), (1846, 697619), (2678, 480883), (6773, 190138), (7313, 176098), (11999, 107326), (13546, 95069), (14626, 88049), (17407, 73982), (23998, 53663), (34814, 36991)]