15640156

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9157}}^1$

素因数の和:9229

約数の個数: 24

約数和(自身を含む): 31796576

約数和(自身を除く): 16156420

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 9157, 18314, 36628, 64099, 128198, 256396, 558577, 1117154, 2234308, 3910039, 7820078, 15640156]

約数ペア:

[(1, 15640156), (2, 7820078), (4, 3910039), (7, 2234308), (14, 1117154), (28, 558577), (61, 256396), (122, 128198), (244, 64099), (427, 36628), (854, 18314), (1708, 9157)]