2557415

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{821}}^1$

素因数の和:922

約数の個数: 16

約数和(自身を含む): 3551040

約数和(自身を除く): 993625

約数列:

[1, 5, 7, 35, 89, 445, 623, 821, 3115, 4105, 5747, 28735, 73069, 365345, 511483, 2557415]

約数ペア:

[(1, 2557415), (5, 511483), (7, 365345), (35, 73069), (89, 28735), (445, 5747), (623, 4105), (821, 3115)]