31855943

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 40974336

約数和(自身を除く): 9118393

約数列:

[1, 7, 17, 23, 103, 113, 119, 161, 391, 721, 791, 1751, 1921, 2369, 2599, 2737, 11639, 12257, 13447, 16583, 18193, 40273, 44183, 81473, 197863, 267697, 281911, 309281, 1385041, 1873879, 4550849, 31855943]

約数ペア:

[(1, 31855943), (7, 4550849), (17, 1873879), (23, 1385041), (103, 309281), (113, 281911), (119, 267697), (161, 197863), (391, 81473), (721, 44183), (791, 40273), (1751, 18193), (1921, 16583), (2369, 13447), (2599, 12257), (2737, 11639)]