128843736

素因数分解:

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

素因数の和:685

約数の個数: 72

約数和(自身を含む): 375834060

約数和(自身を除く): 246990324

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 331, 392, 588, 662, 993, 1176, 1324, 1986, 2317, 2648, 3972, 4634, 6951, 7944, 9268, 13902, 16219, 18536, 27804, 32438, 48657, 55608, 64876, 97314, 109561, 129752, 194628, 219122, 328683, 389256, 438244, 657366, 766927, 876488, 1314732, 1533854, 2300781, 2629464, 3067708, 4601562, 5368489, 6135416, 9203124, 10736978, 16105467, 18406248, 21473956, 32210934, 42947912, 64421868, 128843736]

約数ペア:

[(1, 128843736), (2, 64421868), (3, 42947912), (4, 32210934), (6, 21473956), (7, 18406248), (8, 16105467), (12, 10736978), (14, 9203124), (21, 6135416), (24, 5368489), (28, 4601562), (42, 3067708), (49, 2629464), (56, 2300781), (84, 1533854), (98, 1314732), (147, 876488), (168, 766927), (196, 657366), (294, 438244), (331, 389256), (392, 328683), (588, 219122), (662, 194628), (993, 129752), (1176, 109561), (1324, 97314), (1986, 64876), (2317, 55608), (2648, 48657), (3972, 32438), (4634, 27804), (6951, 18536), (7944, 16219), (9268, 13902)]