31399745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15583}}^1$

素因数の和:15632

約数の個数: 16

約数和(自身を含む): 41889792

約数和(自身を除く): 10490047

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 15583, 77915, 202579, 483073, 1012895, 2415365, 6279949, 31399745]

約数ペア:

[(1, 31399745), (5, 6279949), (13, 2415365), (31, 1012895), (65, 483073), (155, 202579), (403, 77915), (2015, 15583)]