81279418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1319}}^1\times {\mathrm{2801}}^1$

素因数の和:4133

約数の個数: 16

約数和(自身を含む): 133151040

約数和(自身を除く): 51871622

約数列:

[1, 2, 11, 22, 1319, 2638, 2801, 5602, 14509, 29018, 30811, 61622, 3694519, 7389038, 40639709, 81279418]

約数ペア:

[(1, 81279418), (2, 40639709), (11, 7389038), (22, 3694519), (1319, 61622), (2638, 30811), (2801, 29018), (5602, 14509)]