81386578

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{447179}}^1$

素因数の和:447201

約数の個数: 16

約数和(自身を含む): 150252480

約数和(自身を除く): 68865902

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 447179, 894358, 3130253, 5813327, 6260506, 11626654, 40693289, 81386578]

約数ペア:

[(1, 81386578), (2, 40693289), (7, 11626654), (13, 6260506), (14, 5813327), (26, 3130253), (91, 894358), (182, 447179)]