208672399

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{673}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 252733824

約数和(自身を除く): 44061425

約数列:

[1, 13, 17, 23, 61, 221, 299, 391, 673, 793, 1037, 1403, 5083, 8749, 11441, 13481, 15479, 18239, 23851, 41053, 148733, 201227, 263143, 310063, 533689, 697901, 944219, 3420859, 9072713, 12274847, 16051723, 208672399]

約数ペア:

[(1, 208672399), (13, 16051723), (17, 12274847), (23, 9072713), (61, 3420859), (221, 944219), (299, 697901), (391, 533689), (673, 310063), (793, 263143), (1037, 201227), (1403, 148733), (5083, 41053), (8749, 23851), (11441, 18239), (13481, 15479)]