12979421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 17031168

約数和(自身を除く): 4051747

約数列:

[1, 7, 13, 31, 43, 91, 107, 217, 301, 403, 559, 749, 1333, 1391, 2821, 3317, 3913, 4601, 9331, 9737, 17329, 23219, 32207, 43121, 59813, 121303, 142631, 301847, 418691, 998417, 1854203, 12979421]

約数ペア:

[(1, 12979421), (7, 1854203), (13, 998417), (31, 418691), (43, 301847), (91, 142631), (107, 121303), (217, 59813), (301, 43121), (403, 32207), (559, 23219), (749, 17329), (1333, 9737), (1391, 9331), (2821, 4601), (3317, 3913)]