9911972

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4481}}^1$

素因数の和:4571

約数の個数: 24

約数和(自身を含む): 20079360

約数和(自身を除く): 10167388

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 4481, 8962, 17924, 31367, 62734, 125468, 353999, 707998, 1415996, 2477993, 4955986, 9911972]

約数ペア:

[(1, 9911972), (2, 4955986), (4, 2477993), (7, 1415996), (14, 707998), (28, 353999), (79, 125468), (158, 62734), (316, 31367), (553, 17924), (1106, 8962), (2212, 4481)]