8989988

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{191}}^1$

素因数の和:284

約数の個数: 36

約数和(自身を含む): 18525696

約数和(自身を除く): 9535708

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 191, 287, 382, 574, 764, 1148, 1337, 1681, 2674, 3362, 5348, 6724, 7831, 11767, 15662, 23534, 31324, 47068, 54817, 109634, 219268, 321071, 642142, 1284284, 2247497, 4494994, 8989988]

約数ペア:

[(1, 8989988), (2, 4494994), (4, 2247497), (7, 1284284), (14, 642142), (28, 321071), (41, 219268), (82, 109634), (164, 54817), (191, 47068), (287, 31324), (382, 23534), (574, 15662), (764, 11767), (1148, 7831), (1337, 6724), (1681, 5348), (2674, 3362)]