199980979

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{727}}^1\times {\mathrm{1471}}^1$

素因数の和:2226

約数の個数: 16

約数和(自身を含む): 231469056

約数和(自身を除く): 31488077

約数列:

[1, 11, 17, 187, 727, 1471, 7997, 12359, 16181, 25007, 135949, 275077, 1069417, 11763587, 18180089, 199980979]

約数ペア:

[(1, 199980979), (11, 18180089), (17, 11763587), (187, 1069417), (727, 275077), (1471, 135949), (7997, 25007), (12359, 16181)]