123231815

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1151}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 189112320

約数和(自身を除く): 65880505

約数列:

[1, 5, 7, 19, 23, 35, 49, 95, 115, 133, 161, 245, 437, 665, 805, 931, 1127, 1151, 2185, 3059, 4655, 5635, 5755, 8057, 15295, 21413, 21869, 26473, 40285, 56399, 107065, 109345, 132365, 153083, 185311, 281995, 502987, 765415, 926555, 1071581, 1297177, 2514935, 3520909, 5357905, 6485885, 17604545, 24646363, 123231815]

約数ペア:

[(1, 123231815), (5, 24646363), (7, 17604545), (19, 6485885), (23, 5357905), (35, 3520909), (49, 2514935), (95, 1297177), (115, 1071581), (133, 926555), (161, 765415), (245, 502987), (437, 281995), (665, 185311), (805, 153083), (931, 132365), (1127, 109345), (1151, 107065), (2185, 56399), (3059, 40285), (4655, 26473), (5635, 21869), (5755, 21413), (8057, 15295)]