20121115

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4831}}^1$

素因数の和:4867

約数の個数: 24

約数和(自身を含む): 29745792

約数和(自身を除く): 9624677

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 4831, 24155, 33817, 82127, 169085, 236719, 410635, 574889, 1183595, 2874445, 4024223, 20121115]

約数ペア:

[(1, 20121115), (5, 4024223), (7, 2874445), (17, 1183595), (35, 574889), (49, 410635), (85, 236719), (119, 169085), (245, 82127), (595, 33817), (833, 24155), (4165, 4831)]