25601464

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 57231360

約数和(自身を除く): 31629896

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 71, 94, 137, 142, 188, 274, 284, 329, 376, 497, 548, 568, 658, 959, 994, 1096, 1316, 1918, 1988, 2632, 3337, 3836, 3976, 6439, 6674, 7672, 9727, 12878, 13348, 19454, 23359, 25756, 26696, 38908, 45073, 46718, 51512, 68089, 77816, 90146, 93436, 136178, 180292, 186872, 272356, 360584, 457169, 544712, 914338, 1828676, 3200183, 3657352, 6400366, 12800732, 25601464]

約数ペア:

[(1, 25601464), (2, 12800732), (4, 6400366), (7, 3657352), (8, 3200183), (14, 1828676), (28, 914338), (47, 544712), (56, 457169), (71, 360584), (94, 272356), (137, 186872), (142, 180292), (188, 136178), (274, 93436), (284, 90146), (329, 77816), (376, 68089), (497, 51512), (548, 46718), (568, 45073), (658, 38908), (959, 26696), (994, 25756), (1096, 23359), (1316, 19454), (1918, 13348), (1988, 12878), (2632, 9727), (3337, 7672), (3836, 6674), (3976, 6439)]