1388406446

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1\times {\mathrm{3929}}^1$

素因数の和:4568

約数の個数: 32

約数和(自身を含む): 2440247040

約数和(自身を除く): 1051840594

約数列:

[1, 2, 7, 14, 43, 86, 301, 587, 602, 1174, 3929, 4109, 7858, 8218, 25241, 27503, 50482, 55006, 168947, 176687, 337894, 353374, 1182629, 2306323, 2365258, 4612646, 16144261, 32288522, 99171889, 198343778, 694203223, 1388406446]

約数ペア:

[(1, 1388406446), (2, 694203223), (7, 198343778), (14, 99171889), (43, 32288522), (86, 16144261), (301, 4612646), (587, 2365258), (602, 2306323), (1174, 1182629), (3929, 353374), (4109, 337894), (7858, 176687), (8218, 168947), (25241, 55006), (27503, 50482)]