31319886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{401537}}^1$

素因数の和:401555

約数の個数: 16

約数和(自身を含む): 67458384

約数和(自身を除く): 36138498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 401537, 803074, 1204611, 2409222, 5219981, 10439962, 15659943, 31319886]

約数ペア:

[(1, 31319886), (2, 15659943), (3, 10439962), (6, 5219981), (13, 2409222), (26, 1204611), (39, 803074), (78, 401537)]