81214508

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{569}}^1\times {\mathrm{2099}}^1$

素因数の和:2689

約数の個数: 24

約数和(自身を含む): 150822000

約数和(自身を除く): 69607492

約数列:

[1, 2, 4, 17, 34, 68, 569, 1138, 2099, 2276, 4198, 8396, 9673, 19346, 35683, 38692, 71366, 142732, 1194331, 2388662, 4777324, 20303627, 40607254, 81214508]

約数ペア:

[(1, 81214508), (2, 40607254), (4, 20303627), (17, 4777324), (34, 2388662), (68, 1194331), (569, 142732), (1138, 71366), (2099, 38692), (2276, 35683), (4198, 19346), (8396, 9673)]