77687890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1021}}^1\times {\mathrm{1087}}^1$

素因数の和:2122

約数の個数: 32

約数和(自身を含む): 160118784

約数和(自身を除く): 82430894

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1021, 1087, 2042, 2174, 5105, 5435, 7147, 7609, 10210, 10870, 14294, 15218, 35735, 38045, 71470, 76090, 1109827, 2219654, 5549135, 7768789, 11098270, 15537578, 38843945, 77687890]

約数ペア:

[(1, 77687890), (2, 38843945), (5, 15537578), (7, 11098270), (10, 7768789), (14, 5549135), (35, 2219654), (70, 1109827), (1021, 76090), (1087, 71470), (2042, 38045), (2174, 35735), (5105, 15218), (5435, 14294), (7147, 10870), (7609, 10210)]