81891796

素因数分解:

$2^2\times 7^1\times {\mathrm{863}}^1\times {\mathrm{3389}}^1$

素因数の和:4263

約数の個数: 24

約数和(自身を含む): 164021760

約数和(自身を除く): 82129964

約数列:

[1, 2, 4, 7, 14, 28, 863, 1726, 3389, 3452, 6041, 6778, 12082, 13556, 23723, 24164, 47446, 94892, 2924707, 5849414, 11698828, 20472949, 40945898, 81891796]

約数ペア:

[(1, 81891796), (2, 40945898), (4, 20472949), (7, 11698828), (14, 5849414), (28, 2924707), (863, 94892), (1726, 47446), (3389, 24164), (3452, 23723), (6041, 13556), (6778, 12082)]