30731918

素因数分解:

$2^1\times 7^2\times {\mathrm{557}}^1\times {\mathrm{563}}^1$

素因数の和:1136

約数の個数: 24

約数和(自身を含む): 53815752

約数和(自身を除く): 23083834

約数列:

[1, 2, 7, 14, 49, 98, 557, 563, 1114, 1126, 3899, 3941, 7798, 7882, 27293, 27587, 54586, 55174, 313591, 627182, 2195137, 4390274, 15365959, 30731918]

約数ペア:

[(1, 30731918), (2, 15365959), (7, 4390274), (14, 2195137), (49, 627182), (98, 313591), (557, 55174), (563, 54586), (1114, 27587), (1126, 27293), (3899, 7882), (3941, 7798)]