140720538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71287}}^1$

素因数の和:71346

約数の個数: 32

約数和(自身を含む): 328495104

約数和(自身を除く): 187774566

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 71287, 142574, 213861, 427722, 499009, 998018, 1497027, 2994054, 3350489, 6700978, 10051467, 20102934, 23453423, 46906846, 70360269, 140720538]

約数ペア:

[(1, 140720538), (2, 70360269), (3, 46906846), (6, 23453423), (7, 20102934), (14, 10051467), (21, 6700978), (42, 3350489), (47, 2994054), (94, 1497027), (141, 998018), (282, 499009), (329, 427722), (658, 213861), (987, 142574), (1974, 71287)]