81428732

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{4481}}^1$

素因数の和:4562

約数の個数: 48

約数和(自身を含む): 180714240

約数和(自身を除く): 99285508

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 59, 77, 118, 154, 236, 308, 413, 649, 826, 1298, 1652, 2596, 4481, 4543, 8962, 9086, 17924, 18172, 31367, 49291, 62734, 98582, 125468, 197164, 264379, 345037, 528758, 690074, 1057516, 1380148, 1850653, 2908169, 3701306, 5816338, 7402612, 11632676, 20357183, 40714366, 81428732]

約数ペア:

[(1, 81428732), (2, 40714366), (4, 20357183), (7, 11632676), (11, 7402612), (14, 5816338), (22, 3701306), (28, 2908169), (44, 1850653), (59, 1380148), (77, 1057516), (118, 690074), (154, 528758), (236, 345037), (308, 264379), (413, 197164), (649, 125468), (826, 98582), (1298, 62734), (1652, 49291), (2596, 31367), (4481, 18172), (4543, 17924), (8962, 9086)]