668730667

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{12491}}^1$

素因数の和:12690

約数の個数: 16

約数和(自身を含む): 757914624

約数和(自身を除く): 89183957

約数列:

[1, 11, 31, 157, 341, 1727, 4867, 12491, 53537, 137401, 387221, 1961087, 4259431, 21571957, 60793697, 668730667]

約数ペア:

[(1, 668730667), (11, 60793697), (31, 21571957), (157, 4259431), (341, 1961087), (1727, 387221), (4867, 137401), (12491, 53537)]