638490132

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{2533691}}^1$

素因数の和:2533708

約数の個数: 36

約数和(自身を含む): 1844527776

約数和(自身を除く): 1206037644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 2533691, 5067382, 7601073, 10134764, 15202146, 17735837, 22803219, 30404292, 35471674, 45606438, 53207511, 70943348, 91212876, 106415022, 159622533, 212830044, 319245066, 638490132]

約数ペア:

[(1, 638490132), (2, 319245066), (3, 212830044), (4, 159622533), (6, 106415022), (7, 91212876), (9, 70943348), (12, 53207511), (14, 45606438), (18, 35471674), (21, 30404292), (28, 22803219), (36, 17735837), (42, 15202146), (63, 10134764), (84, 7601073), (126, 5067382), (252, 2533691)]