208972902017

素因数分解:

${\mathrm{11}}^2\times {\mathrm{691}}^2\times {\mathrm{3617}}^1$

素因数の和:5021

約数の個数: 18

約数和(自身を含む): 230093978562

約数和(自身を除く): 21121076545

約数列:

[1, 11, 121, 691, 3617, 7601, 39787, 83611, 437657, 477481, 2499347, 5252291, 27492817, 57775201, 302420987, 1727048777, 18997536547, 208972902017]

約数ペア:

[(1, 208972902017), (11, 18997536547), (121, 1727048777), (691, 302420987), (3617, 57775201), (7601, 27492817), (39787, 5252291), (83611, 2499347), (437657, 477481)]