15640056

素因数分解:

$2^3\times 3^2\times {\mathrm{217223}}^1$

素因数の和:217235

約数の個数: 24

約数和(自身を含む): 42358680

約数和(自身を除く): 26718624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 217223, 434446, 651669, 868892, 1303338, 1737784, 1955007, 2606676, 3910014, 5213352, 7820028, 15640056]

約数ペア:

[(1, 15640056), (2, 7820028), (3, 5213352), (4, 3910014), (6, 2606676), (8, 1955007), (9, 1737784), (12, 1303338), (18, 868892), (24, 651669), (36, 434446), (72, 217223)]