81343012

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{389}}^1\times {\mathrm{857}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 145225080

約数和(自身を除く): 63882068

約数列:

[1, 2, 4, 61, 122, 244, 389, 778, 857, 1556, 1714, 3428, 23729, 47458, 52277, 94916, 104554, 209108, 333373, 666746, 1333492, 20335753, 40671506, 81343012]

約数ペア:

[(1, 81343012), (2, 40671506), (4, 20335753), (61, 1333492), (122, 666746), (244, 333373), (389, 209108), (778, 104554), (857, 94916), (1556, 52277), (1714, 47458), (3428, 23729)]