1991029922

素因数分解:

$2^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{219809}}^1$

素因数の和:220465

約数の個数: 16

約数和(自身を含む): 3418485120

約数和(自身を除く): 1427455198

約数列:

[1, 2, 7, 14, 647, 1294, 4529, 9058, 219809, 439618, 1538663, 3077326, 142216423, 284432846, 995514961, 1991029922]

約数ペア:

[(1, 1991029922), (2, 995514961), (7, 284432846), (14, 142216423), (647, 3077326), (1294, 1538663), (4529, 439618), (9058, 219809)]