420799954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{25693}}^1$

素因数の和:26145

約数の個数: 16

約数和(自身を含む): 665988480

約数和(自身を除く): 245188526

約数列:

[1, 2, 19, 38, 431, 862, 8189, 16378, 25693, 51386, 488167, 976334, 11073683, 22147366, 210399977, 420799954]

約数ペア:

[(1, 420799954), (2, 210399977), (19, 22147366), (38, 11073683), (431, 976334), (862, 488167), (8189, 51386), (16378, 25693)]