12819905

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6911}}^1$

素因数の和:6976

約数の個数: 16

約数和(自身を含む): 17915904

約数和(自身を除く): 5095999

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 6911, 34555, 48377, 241885, 366283, 1831415, 2563981, 12819905]

約数ペア:

[(1, 12819905), (5, 2563981), (7, 1831415), (35, 366283), (53, 241885), (265, 48377), (371, 34555), (1855, 6911)]