478295854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{172421}}^1$

素因数の和:172515

約数の個数: 16

約数和(自身を含む): 765553680

約数和(自身を除く): 287257826

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 172421, 344842, 3275999, 6551998, 12586733, 25173466, 239147927, 478295854]

約数ペア:

[(1, 478295854), (2, 239147927), (19, 25173466), (38, 12586733), (73, 6551998), (146, 3275999), (1387, 344842), (2774, 172421)]