7987828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1723}}^1$

素因数の和:1807

約数の個数: 24

約数和(自身を含む): 14964320

約数和(自身を除く): 6976492

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 1723, 2318, 3446, 4636, 6892, 32737, 65474, 105103, 130948, 210206, 420412, 1996957, 3993914, 7987828]

約数ペア:

[(1, 7987828), (2, 3993914), (4, 1996957), (19, 420412), (38, 210206), (61, 130948), (76, 105103), (122, 65474), (244, 32737), (1159, 6892), (1723, 4636), (2318, 3446)]