668839696

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{54787}}^1$

素因数の和:54911

約数の個数: 40

約数和(自身を含む): 1494616640

約数和(自身を除く): 825776944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1744, 3052, 6104, 12208, 54787, 109574, 219148, 383509, 438296, 767018, 876592, 1534036, 3068072, 5971783, 6136144, 11943566, 23887132, 41802481, 47774264, 83604962, 95548528, 167209924, 334419848, 668839696]

約数ペア:

[(1, 668839696), (2, 334419848), (4, 167209924), (7, 95548528), (8, 83604962), (14, 47774264), (16, 41802481), (28, 23887132), (56, 11943566), (109, 6136144), (112, 5971783), (218, 3068072), (436, 1534036), (763, 876592), (872, 767018), (1526, 438296), (1744, 383509), (3052, 219148), (6104, 109574), (12208, 54787)]