1389780095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1021}}^1\times {\mathrm{24749}}^1$

素因数の和:25786

約数の個数: 16

約数和(自身を含む): 1821204000

約数和(自身を除く): 431423905

約数列:

[1, 5, 11, 55, 1021, 5105, 11231, 24749, 56155, 123745, 272239, 1361195, 25268729, 126343645, 277956019, 1389780095]

約数ペア:

[(1, 1389780095), (5, 277956019), (11, 126343645), (55, 25268729), (1021, 1361195), (5105, 272239), (11231, 123745), (24749, 56155)]