39516890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6343}}^1$

素因数の和:6446

約数の個数: 32

約数和(自身を含む): 82218240

約数和(自身を除く): 42701350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 6230, 6343, 12686, 31715, 44401, 63430, 88802, 222005, 444010, 564527, 1129054, 2822635, 3951689, 5645270, 7903378, 19758445, 39516890]

約数ペア:

[(1, 39516890), (2, 19758445), (5, 7903378), (7, 5645270), (10, 3951689), (14, 2822635), (35, 1129054), (70, 564527), (89, 444010), (178, 222005), (445, 88802), (623, 63430), (890, 44401), (1246, 31715), (3115, 12686), (6230, 6343)]