8905988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 19662720

約数和(自身を除く): 10756732

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 172, 182, 301, 364, 559, 569, 602, 1118, 1138, 1204, 2236, 2276, 3913, 3983, 7397, 7826, 7966, 14794, 15652, 15932, 24467, 29588, 48934, 51779, 97868, 103558, 171269, 207116, 318071, 342538, 636142, 685076, 1272284, 2226497, 4452994, 8905988]

約数ペア:

[(1, 8905988), (2, 4452994), (4, 2226497), (7, 1272284), (13, 685076), (14, 636142), (26, 342538), (28, 318071), (43, 207116), (52, 171269), (86, 103558), (91, 97868), (172, 51779), (182, 48934), (301, 29588), (364, 24467), (559, 15932), (569, 15652), (602, 14794), (1118, 7966), (1138, 7826), (1204, 7397), (2236, 3983), (2276, 3913)]