56138488

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 128779200

約数和(自身を除く): 72640712

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 109, 119, 136, 218, 238, 436, 476, 541, 763, 872, 952, 1082, 1526, 1853, 2164, 3052, 3706, 3787, 4328, 6104, 7412, 7574, 9197, 12971, 14824, 15148, 18394, 25942, 30296, 36788, 51884, 58969, 64379, 73576, 103768, 117938, 128758, 235876, 257516, 412783, 471752, 515032, 825566, 1002473, 1651132, 2004946, 3302264, 4009892, 7017311, 8019784, 14034622, 28069244, 56138488]

約数ペア:

[(1, 56138488), (2, 28069244), (4, 14034622), (7, 8019784), (8, 7017311), (14, 4009892), (17, 3302264), (28, 2004946), (34, 1651132), (56, 1002473), (68, 825566), (109, 515032), (119, 471752), (136, 412783), (218, 257516), (238, 235876), (436, 128758), (476, 117938), (541, 103768), (763, 73576), (872, 64379), (952, 58969), (1082, 51884), (1526, 36788), (1853, 30296), (2164, 25942), (3052, 18394), (3706, 15148), (3787, 14824), (4328, 12971), (6104, 9197), (7412, 7574)]