289706872

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8467}}^1$

素因数の和:8540

約数の個数: 64

約数和(自身を含む): 682859520

約数和(自身を除く): 393152648

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 47, 52, 56, 91, 94, 104, 182, 188, 329, 364, 376, 611, 658, 728, 1222, 1316, 2444, 2632, 4277, 4888, 8467, 8554, 16934, 17108, 33868, 34216, 59269, 67736, 110071, 118538, 220142, 237076, 397949, 440284, 474152, 770497, 795898, 880568, 1540994, 1591796, 2785643, 3081988, 3183592, 5173337, 5571286, 6163976, 10346674, 11142572, 20693348, 22285144, 36213359, 41386696, 72426718, 144853436, 289706872]

約数ペア:

[(1, 289706872), (2, 144853436), (4, 72426718), (7, 41386696), (8, 36213359), (13, 22285144), (14, 20693348), (26, 11142572), (28, 10346674), (47, 6163976), (52, 5571286), (56, 5173337), (91, 3183592), (94, 3081988), (104, 2785643), (182, 1591796), (188, 1540994), (329, 880568), (364, 795898), (376, 770497), (611, 474152), (658, 440284), (728, 397949), (1222, 237076), (1316, 220142), (2444, 118538), (2632, 110071), (4277, 67736), (4888, 59269), (8467, 34216), (8554, 33868), (16934, 17108)]