1234777745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{21977}}^1$

素因数の和:22660

約数の個数: 16

約数和(自身を含む): 1571339088

約数和(自身を除く): 336561343

約数列:

[1, 5, 17, 85, 661, 3305, 11237, 21977, 56185, 109885, 373609, 1868045, 14526797, 72633985, 246955549, 1234777745]

約数ペア:

[(1, 1234777745), (5, 246955549), (17, 72633985), (85, 14526797), (661, 1868045), (3305, 373609), (11237, 109885), (21977, 56185)]