81540316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{142553}}^1$

素因数の和:142581

約数の個数: 24

約数和(自身を含む): 167643504

約数和(自身を除く): 86103188

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 142553, 285106, 570212, 1568083, 1853189, 3136166, 3706378, 6272332, 7412756, 20385079, 40770158, 81540316]

約数ペア:

[(1, 81540316), (2, 40770158), (4, 20385079), (11, 7412756), (13, 6272332), (22, 3706378), (26, 3136166), (44, 1853189), (52, 1568083), (143, 570212), (286, 285106), (572, 142553)]