199902911

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{1237}}^1$

素因数の和:1682

約数の個数: 16

約数和(自身を含む): 222958848

約数和(自身を除く): 23055937

約数列:

[1, 13, 31, 401, 403, 1237, 5213, 12431, 16081, 38347, 161603, 496037, 498511, 6448481, 15377147, 199902911]

約数ペア:

[(1, 199902911), (13, 15377147), (31, 6448481), (401, 498511), (403, 496037), (1237, 161603), (5213, 38347), (12431, 16081)]