217871207122

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{21313951}}^1$

素因数の和:21314241

約数の個数: 16

約数和(自身を含む): 345286022400

約数和(自身を除く): 127414815278

約数列:

[1, 2, 19, 38, 269, 538, 5111, 10222, 21313951, 42627902, 404965069, 809930138, 5733452819, 11466905638, 108935603561, 217871207122]

約数ペア:

[(1, 217871207122), (2, 108935603561), (19, 11466905638), (38, 5733452819), (269, 809930138), (538, 404965069), (5111, 42627902), (10222, 21313951)]