266330519

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2347}}^1$

素因数の和:2439

約数の個数: 32

約数和(自身を含む): 347128320

約数和(自身を除く): 80797801

約数列:

[1, 7, 13, 29, 43, 91, 203, 301, 377, 559, 1247, 2347, 2639, 3913, 8729, 16211, 16429, 30511, 68063, 100921, 113477, 213577, 476441, 706447, 884819, 1311973, 2926709, 6193733, 9183811, 20486963, 38047217, 266330519]

約数ペア:

[(1, 266330519), (7, 38047217), (13, 20486963), (29, 9183811), (43, 6193733), (91, 2926709), (203, 1311973), (301, 884819), (377, 706447), (559, 476441), (1247, 213577), (2347, 113477), (2639, 100921), (3913, 68063), (8729, 30511), (16211, 16429)]