81391394

素因数分解:

$2^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{12611}}^1$

素因数の和:13081

約数の個数: 16

約数和(自身を含む): 139841856

約数和(自身を除く): 58450462

約数列:

[1, 2, 7, 14, 461, 922, 3227, 6454, 12611, 25222, 88277, 176554, 5813671, 11627342, 40695697, 81391394]

約数ペア:

[(1, 81391394), (2, 40695697), (7, 11627342), (14, 5813671), (461, 176554), (922, 88277), (3227, 25222), (6454, 12611)]