31784268

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{20219}}^1$

素因数の和:20357

約数の個数: 24

約数和(自身を含む): 74733120

約数和(自身を除く): 42948852

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 20219, 40438, 60657, 80876, 121314, 242628, 2648689, 5297378, 7946067, 10594756, 15892134, 31784268]

約数ペア:

[(1, 31784268), (2, 15892134), (3, 10594756), (4, 7946067), (6, 5297378), (12, 2648689), (131, 242628), (262, 121314), (393, 80876), (524, 60657), (786, 40438), (1572, 20219)]