890473970

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{649981}}^1$

素因数の和:650125

約数の個数: 16

約数和(自身を含む): 1614555288

約数和(自身を除く): 724081318

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 649981, 1299962, 3249905, 6499810, 89047397, 178094794, 445236985, 890473970]

約数ペア:

[(1, 890473970), (2, 445236985), (5, 178094794), (10, 89047397), (137, 6499810), (274, 3249905), (685, 1299962), (1370, 649981)]