9898658

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 20736000

約数和(自身を除く): 10837342

約数列:

[1, 2, 7, 11, 14, 17, 19, 22, 34, 38, 77, 119, 133, 154, 187, 199, 209, 238, 266, 323, 374, 398, 418, 646, 1309, 1393, 1463, 2189, 2261, 2618, 2786, 2926, 3383, 3553, 3781, 4378, 4522, 6766, 7106, 7562, 15323, 23681, 24871, 26467, 30646, 37213, 41591, 47362, 49742, 52934, 64277, 74426, 83182, 128554, 260491, 291137, 449939, 520982, 582274, 707047, 899878, 1414094, 4949329, 9898658]

約数ペア:

[(1, 9898658), (2, 4949329), (7, 1414094), (11, 899878), (14, 707047), (17, 582274), (19, 520982), (22, 449939), (34, 291137), (38, 260491), (77, 128554), (119, 83182), (133, 74426), (154, 64277), (187, 52934), (199, 49742), (209, 47362), (238, 41591), (266, 37213), (323, 30646), (374, 26467), (398, 24871), (418, 23681), (646, 15323), (1309, 7562), (1393, 7106), (1463, 6766), (2189, 4522), (2261, 4378), (2618, 3781), (2786, 3553), (2926, 3383)]