90040678

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15959}}^1$

素因数の和:16012

約数の個数: 32

約数和(自身を含む): 171601920

約数和(自身を除く): 81561242

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 15959, 31918, 111713, 207467, 223426, 414934, 494729, 989458, 1452269, 2904538, 3463103, 6431477, 6926206, 12862954, 45020339, 90040678]

約数ペア:

[(1, 90040678), (2, 45020339), (7, 12862954), (13, 6926206), (14, 6431477), (26, 3463103), (31, 2904538), (62, 1452269), (91, 989458), (182, 494729), (217, 414934), (403, 223426), (434, 207467), (806, 111713), (2821, 31918), (5642, 15959)]