31305118

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{28001}}^1$

素因数の和:28059

約数の個数: 16

約数和(自身を含む): 51747696

約数和(自身を除く): 20442578

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 28001, 56002, 364013, 728026, 1204043, 2408086, 15652559, 31305118]

約数ペア:

[(1, 31305118), (2, 15652559), (13, 2408086), (26, 1204043), (43, 728026), (86, 364013), (559, 56002), (1118, 28001)]