81285844

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{655531}}^1$

素因数の和:655566

約数の個数: 12

約数和(自身を含む): 146839168

約数和(自身を除く): 65553324

約数列:

[1, 2, 4, 31, 62, 124, 655531, 1311062, 2622124, 20321461, 40642922, 81285844]

約数ペア:

[(1, 81285844), (2, 40642922), (4, 20321461), (31, 2622124), (62, 1311062), (124, 655531)]