661817493217

素因数分解:

${\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{2238161}}^1$

素因数の和:2238456

約数の個数: 16

約数和(自身を含む): 709049721600

約数和(自身を除く): 47232228383

約数列:

[1, 19, 79, 197, 1501, 3743, 15563, 295697, 2238161, 42525059, 176814719, 440917717, 3359479661, 8377436623, 34832499643, 661817493217]

約数ペア:

[(1, 661817493217), (19, 34832499643), (79, 8377436623), (197, 3359479661), (1501, 440917717), (3743, 176814719), (15563, 42525059), (295697, 2238161)]