1643466721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{19937}}^1$

素因数の和:20340

約数の個数: 16

約数和(自身を含む): 1879116624

約数和(自身を除く): 235649903

約数列:

[1, 13, 17, 221, 373, 4849, 6341, 19937, 82433, 259181, 338929, 4406077, 7436501, 96674513, 126420517, 1643466721]

約数ペア:

[(1, 1643466721), (13, 126420517), (17, 96674513), (221, 7436501), (373, 4406077), (4849, 338929), (6341, 259181), (19937, 82433)]