2775562237

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{21101}}^1$

素因数の和:21193

約数の個数: 32

約数和(自身を含む): 3565393920

約数和(自身を除く): 789831683

約数列:

[1, 7, 19, 23, 43, 133, 161, 301, 437, 817, 989, 3059, 5719, 6923, 18791, 21101, 131537, 147707, 400919, 485323, 907343, 2806433, 3397261, 6351401, 9221137, 17239517, 20868889, 64547959, 120676619, 146082223, 396508891, 2775562237]

約数ペア:

[(1, 2775562237), (7, 396508891), (19, 146082223), (23, 120676619), (43, 64547959), (133, 20868889), (161, 17239517), (301, 9221137), (437, 6351401), (817, 3397261), (989, 2806433), (3059, 907343), (5719, 485323), (6923, 400919), (18791, 147707), (21101, 131537)]