208019734

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{19853}}^1$

素因数の和:19912

約数の個数: 24

約数和(自身を含む): 348795072

約数和(自身を除く): 140775338

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 19853, 39706, 258089, 516178, 615443, 1230886, 3355157, 6710314, 8000759, 16001518, 104009867, 208019734]

約数ペア:

[(1, 208019734), (2, 104009867), (13, 16001518), (26, 8000759), (31, 6710314), (62, 3355157), (169, 1230886), (338, 615443), (403, 516178), (806, 258089), (5239, 39706), (10478, 19853)]