820708542

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{331}}^1\times {\mathrm{991}}^1$

素因数の和:1469

約数の個数: 48

約数和(自身を含む): 1798218240

約数和(自身を除く): 977509698

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 331, 417, 662, 834, 991, 993, 1251, 1982, 1986, 2502, 2973, 2979, 5946, 5958, 8919, 17838, 46009, 92018, 137749, 138027, 275498, 276054, 328021, 413247, 414081, 656042, 826494, 828162, 984063, 1239741, 1968126, 2479482, 2952189, 5904378, 45594919, 91189838, 136784757, 273569514, 410354271, 820708542]

約数ペア:

[(1, 820708542), (2, 410354271), (3, 273569514), (6, 136784757), (9, 91189838), (18, 45594919), (139, 5904378), (278, 2952189), (331, 2479482), (417, 1968126), (662, 1239741), (834, 984063), (991, 828162), (993, 826494), (1251, 656042), (1982, 414081), (1986, 413247), (2502, 328021), (2973, 276054), (2979, 275498), (5946, 138027), (5958, 137749), (8919, 92018), (17838, 46009)]