638484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 1860096

約数和(自身を除く): 1221612

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 691, 924, 1382, 2073, 2764, 4146, 4837, 7601, 8292, 9674, 14511, 15202, 19348, 22803, 29022, 30404, 45606, 53207, 58044, 91212, 106414, 159621, 212828, 319242, 638484]

約数ペア:

[(1, 638484), (2, 319242), (3, 212828), (4, 159621), (6, 106414), (7, 91212), (11, 58044), (12, 53207), (14, 45606), (21, 30404), (22, 29022), (28, 22803), (33, 19348), (42, 15202), (44, 14511), (66, 9674), (77, 8292), (84, 7601), (132, 4837), (154, 4146), (231, 2764), (308, 2073), (462, 1382), (691, 924)]