71864542

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{20521}}^1$

素因数の和:20643

約数の個数: 16

約数和(自身を含む): 115251552

約数和(自身を除く): 43387010

約数列:

[1, 2, 17, 34, 103, 206, 1751, 3502, 20521, 41042, 348857, 697714, 2113663, 4227326, 35932271, 71864542]

約数ペア:

[(1, 71864542), (2, 35932271), (17, 4227326), (34, 2113663), (103, 697714), (206, 348857), (1751, 41042), (3502, 20521)]