28729558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 56609280

約数和(自身を除く): 27879722

約数列:

[1, 2, 11, 13, 17, 19, 22, 26, 34, 38, 143, 187, 209, 221, 247, 286, 311, 323, 374, 418, 442, 494, 622, 646, 2431, 2717, 3421, 3553, 4043, 4199, 4862, 5287, 5434, 5909, 6842, 7106, 8086, 8398, 10574, 11818, 44473, 46189, 58157, 64999, 68731, 76817, 88946, 92378, 100453, 116314, 129998, 137462, 153634, 200906, 756041, 844987, 1104983, 1305889, 1512082, 1689974, 2209966, 2611778, 14364779, 28729558]

約数ペア:

[(1, 28729558), (2, 14364779), (11, 2611778), (13, 2209966), (17, 1689974), (19, 1512082), (22, 1305889), (26, 1104983), (34, 844987), (38, 756041), (143, 200906), (187, 153634), (209, 137462), (221, 129998), (247, 116314), (286, 100453), (311, 92378), (323, 88946), (374, 76817), (418, 68731), (442, 64999), (494, 58157), (622, 46189), (646, 44473), (2431, 11818), (2717, 10574), (3421, 8398), (3553, 8086), (4043, 7106), (4199, 6842), (4862, 5909), (5287, 5434)]