199983427

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{23021}}^1$

素因数の和:23118

約数の個数: 16

約数和(自身を含む): 245322432

約数和(自身を除く): 45339005

約数列:

[1, 7, 17, 73, 119, 511, 1241, 8687, 23021, 161147, 391357, 1680533, 2739499, 11763731, 28569061, 199983427]

約数ペア:

[(1, 199983427), (7, 28569061), (17, 11763731), (73, 2739499), (119, 1680533), (511, 391357), (1241, 161147), (8687, 23021)]