12742345

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1439}}^1$

素因数の和:1485

約数の個数: 32

約数和(自身を含む): 19906560

約数和(自身を除く): 7164215

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1439, 1771, 7195, 8855, 10073, 15829, 33097, 50365, 79145, 110803, 165485, 231679, 364067, 554015, 1158395, 1820335, 2548469, 12742345]

約数ペア:

[(1, 12742345), (5, 2548469), (7, 1820335), (11, 1158395), (23, 554015), (35, 364067), (55, 231679), (77, 165485), (115, 110803), (161, 79145), (253, 50365), (385, 33097), (805, 15829), (1265, 10073), (1439, 8855), (1771, 7195)]