11979485

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 17332224

約数和(自身を除く): 5352739

約数列:

[1, 5, 7, 31, 35, 61, 155, 181, 217, 305, 427, 905, 1085, 1267, 1891, 2135, 5611, 6335, 9455, 11041, 13237, 28055, 39277, 55205, 66185, 77287, 196385, 342271, 386435, 1711355, 2395897, 11979485]

約数ペア:

[(1, 11979485), (5, 2395897), (7, 1711355), (31, 386435), (35, 342271), (61, 196385), (155, 77287), (181, 66185), (217, 55205), (305, 39277), (427, 28055), (905, 13237), (1085, 11041), (1267, 9455), (1891, 6335), (2135, 5611)]