68021972

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{1999}}^1$

素因数の和:2231

約数の個数: 24

約数和(自身を含む): 122304000

約数和(自身を除く): 54282028

約数列:

[1, 2, 4, 47, 94, 181, 188, 362, 724, 1999, 3998, 7996, 8507, 17014, 34028, 93953, 187906, 361819, 375812, 723638, 1447276, 17005493, 34010986, 68021972]

約数ペア:

[(1, 68021972), (2, 34010986), (4, 17005493), (47, 1447276), (94, 723638), (181, 375812), (188, 361819), (362, 187906), (724, 93953), (1999, 34028), (3998, 17014), (7996, 8507)]