51890245

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 68947200

約数和(自身を除く): 17056955

約数列:

[1, 5, 11, 55, 121, 199, 431, 605, 995, 2155, 2189, 4741, 10945, 23705, 24079, 52151, 85769, 120395, 260755, 428845, 943459, 4717295, 10378049, 51890245]

約数ペア:

[(1, 51890245), (5, 10378049), (11, 4717295), (55, 943459), (121, 428845), (199, 260755), (431, 120395), (605, 85769), (995, 52151), (2155, 24079), (2189, 23705), (4741, 10945)]