81947726

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 143700480

約数和(自身を除く): 61752754

約数列:

[1, 2, 7, 14, 83, 109, 166, 218, 581, 647, 763, 1162, 1294, 1526, 4529, 9047, 9058, 18094, 53701, 63329, 70523, 107402, 126658, 141046, 375907, 493661, 751814, 987322, 5853409, 11706818, 40973863, 81947726]

約数ペア:

[(1, 81947726), (2, 40973863), (7, 11706818), (14, 5853409), (83, 987322), (109, 751814), (166, 493661), (218, 375907), (581, 141046), (647, 126658), (763, 107402), (1162, 70523), (1294, 63329), (1526, 53701), (4529, 18094), (9047, 9058)]