31146478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{23209}}^1$

素因数の和:23283

約数の個数: 16

約数和(自身を含む): 51804720

約数和(自身を除く): 20658242

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 23209, 46418, 255299, 510598, 1415749, 2831498, 15573239, 31146478]

約数ペア:

[(1, 31146478), (2, 15573239), (11, 2831498), (22, 1415749), (61, 510598), (122, 255299), (671, 46418), (1342, 23209)]