1389738

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 3365280

約数和(自身を除く): 1975542

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 49, 58, 87, 98, 147, 163, 174, 203, 294, 326, 406, 489, 609, 978, 1141, 1218, 1421, 2282, 2842, 3423, 4263, 4727, 6846, 7987, 8526, 9454, 14181, 15974, 23961, 28362, 33089, 47922, 66178, 99267, 198534, 231623, 463246, 694869, 1389738]

約数ペア:

[(1, 1389738), (2, 694869), (3, 463246), (6, 231623), (7, 198534), (14, 99267), (21, 66178), (29, 47922), (42, 33089), (49, 28362), (58, 23961), (87, 15974), (98, 14181), (147, 9454), (163, 8526), (174, 7987), (203, 6846), (294, 4727), (326, 4263), (406, 3423), (489, 2842), (609, 2282), (978, 1421), (1141, 1218)]