12800732

素因数分解:

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

素因数の和:266

約数の個数: 48

約数和(自身を含む): 26707968

約数和(自身を除く): 13907236

約数列:

[1, 2, 4, 7, 14, 28, 47, 71, 94, 137, 142, 188, 274, 284, 329, 497, 548, 658, 959, 994, 1316, 1918, 1988, 3337, 3836, 6439, 6674, 9727, 12878, 13348, 19454, 23359, 25756, 38908, 45073, 46718, 68089, 90146, 93436, 136178, 180292, 272356, 457169, 914338, 1828676, 3200183, 6400366, 12800732]

約数ペア:

[(1, 12800732), (2, 6400366), (4, 3200183), (7, 1828676), (14, 914338), (28, 457169), (47, 272356), (71, 180292), (94, 136178), (137, 93436), (142, 90146), (188, 68089), (274, 46718), (284, 45073), (329, 38908), (497, 25756), (548, 23359), (658, 19454), (959, 13348), (994, 12878), (1316, 9727), (1918, 6674), (1988, 6439), (3337, 3836)]