64421868

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{331}}^2$

素因数の和:683

約数の個数: 54

約数和(自身を含む): 175389228

約数和(自身を除く): 110967360

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 331, 588, 662, 993, 1324, 1986, 2317, 3972, 4634, 6951, 9268, 13902, 16219, 27804, 32438, 48657, 64876, 97314, 109561, 194628, 219122, 328683, 438244, 657366, 766927, 1314732, 1533854, 2300781, 3067708, 4601562, 5368489, 9203124, 10736978, 16105467, 21473956, 32210934, 64421868]

約数ペア:

[(1, 64421868), (2, 32210934), (3, 21473956), (4, 16105467), (6, 10736978), (7, 9203124), (12, 5368489), (14, 4601562), (21, 3067708), (28, 2300781), (42, 1533854), (49, 1314732), (84, 766927), (98, 657366), (147, 438244), (196, 328683), (294, 219122), (331, 194628), (588, 109561), (662, 97314), (993, 64876), (1324, 48657), (1986, 32438), (2317, 27804), (3972, 16219), (4634, 13902), (6951, 9268)]