386956479

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{28927}}^1$

素因数の和:28964

約数の個数: 32

約数和(自身を含む): 647987200

約数和(自身を除く): 261030721

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 4459, 13377, 28927, 86781, 202489, 376051, 607467, 1128153, 1417423, 2632357, 4252269, 7897071, 9921961, 18426499, 29765883, 55279497, 128985493, 386956479]

約数ペア:

[(1, 386956479), (3, 128985493), (7, 55279497), (13, 29765883), (21, 18426499), (39, 9921961), (49, 7897071), (91, 4252269), (147, 2632357), (273, 1417423), (343, 1128153), (637, 607467), (1029, 376051), (1911, 202489), (4459, 86781), (13377, 28927)]