81393468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{521753}}^1$

素因数の和:521773

約数の個数: 24

約数和(自身を含む): 204527568

約数和(自身を除く): 123134100

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 521753, 1043506, 1565259, 2087012, 3130518, 6261036, 6782789, 13565578, 20348367, 27131156, 40696734, 81393468]

約数ペア:

[(1, 81393468), (2, 40696734), (3, 27131156), (4, 20348367), (6, 13565578), (12, 6782789), (13, 6261036), (26, 3130518), (39, 2087012), (52, 1565259), (78, 1043506), (156, 521753)]