28698488

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 67200000

約数和(自身を除く): 38501512

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 79, 91, 104, 158, 182, 316, 364, 499, 553, 632, 728, 998, 1027, 1106, 1996, 2054, 2212, 3493, 3992, 4108, 4424, 6487, 6986, 7189, 8216, 12974, 13972, 14378, 25948, 27944, 28756, 39421, 45409, 51896, 57512, 78842, 90818, 157684, 181636, 275947, 315368, 363272, 512473, 551894, 1024946, 1103788, 2049892, 2207576, 3587311, 4099784, 7174622, 14349244, 28698488]

約数ペア:

[(1, 28698488), (2, 14349244), (4, 7174622), (7, 4099784), (8, 3587311), (13, 2207576), (14, 2049892), (26, 1103788), (28, 1024946), (52, 551894), (56, 512473), (79, 363272), (91, 315368), (104, 275947), (158, 181636), (182, 157684), (316, 90818), (364, 78842), (499, 57512), (553, 51896), (632, 45409), (728, 39421), (998, 28756), (1027, 27944), (1106, 25948), (1996, 14378), (2054, 13972), (2212, 12974), (3493, 8216), (3992, 7189), (4108, 6986), (4424, 6487)]