261036257983

素因数分解:

${\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{1009}}^1\times {\mathrm{38921}}^1$

素因数の和:39987

約数の個数: 24

約数和(自身を含む): 289645068960

約数和(自身を除く): 28608810977

約数列:

[1, 17, 23, 289, 391, 1009, 6647, 17153, 23207, 38921, 291601, 394519, 661657, 895183, 6706823, 11248169, 15218111, 39271289, 258707887, 667611913, 903239647, 11349402521, 15355073999, 261036257983]

約数ペア:

[(1, 261036257983), (17, 15355073999), (23, 11349402521), (289, 903239647), (391, 667611913), (1009, 258707887), (6647, 39271289), (17153, 15218111), (23207, 11248169), (38921, 6706823), (291601, 895183), (394519, 661657)]