199981754

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{160499}}^1$

素因数の和:160597

約数の個数: 16

約数和(自身を含む): 346680000

約数和(自身を除く): 146698246

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 160499, 320998, 1123493, 2246986, 14284411, 28568822, 99990877, 199981754]

約数ペア:

[(1, 199981754), (2, 99990877), (7, 28568822), (14, 14284411), (89, 2246986), (178, 1123493), (623, 320998), (1246, 160499)]