79927928

素因数分解:

$2^3\times {\mathrm{1997}}^1\times {\mathrm{5003}}^1$

素因数の和:7006

約数の個数: 16

約数和(自身を含む): 149969880

約数和(自身を除く): 70041952

約数列:

[1, 2, 4, 8, 1997, 3994, 5003, 7988, 10006, 15976, 20012, 40024, 9990991, 19981982, 39963964, 79927928]

約数ペア:

[(1, 79927928), (2, 39963964), (4, 19981982), (8, 9990991), (1997, 40024), (3994, 20012), (5003, 15976), (7988, 10006)]