81959878

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{40939}}^1$

素因数の和:40972

約数の個数: 32

約数和(自身を含む): 165070080

約数和(自身を除く): 83110202

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 40939, 81878, 286573, 450329, 532207, 573146, 900658, 1064414, 3152303, 3725449, 5854277, 6304606, 7450898, 11708554, 40979939, 81959878]

約数ペア:

[(1, 81959878), (2, 40979939), (7, 11708554), (11, 7450898), (13, 6304606), (14, 5854277), (22, 3725449), (26, 3152303), (77, 1064414), (91, 900658), (143, 573146), (154, 532207), (182, 450329), (286, 286573), (1001, 81878), (2002, 40939)]