201120478

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 339150240

約数和(自身を除く): 138029762

約数列:

[1, 2, 13, 26, 53, 103, 106, 109, 169, 206, 218, 338, 689, 1339, 1378, 1417, 2678, 2834, 5459, 5777, 8957, 10918, 11227, 11554, 17407, 17914, 18421, 22454, 34814, 36842, 70967, 75101, 141934, 145951, 150202, 291902, 595031, 922571, 976313, 1190062, 1845142, 1897363, 1952626, 3794726, 7735403, 15470806, 100560239, 201120478]

約数ペア:

[(1, 201120478), (2, 100560239), (13, 15470806), (26, 7735403), (53, 3794726), (103, 1952626), (106, 1897363), (109, 1845142), (169, 1190062), (206, 976313), (218, 922571), (338, 595031), (689, 291902), (1339, 150202), (1378, 145951), (1417, 141934), (2678, 75101), (2834, 70967), (5459, 36842), (5777, 34814), (8957, 22454), (10918, 18421), (11227, 17914), (11554, 17407)]