661724167

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{1979}}^1$

素因数の和:2115

約数の個数: 24

約数和(自身を含む): 765903600

約数和(自身を除く): 104179433

約数列:

[1, 13, 17, 89, 221, 289, 1157, 1513, 1979, 3757, 19669, 25721, 25727, 33643, 176131, 334373, 437359, 571931, 2289703, 2994227, 7435103, 38924951, 50901859, 661724167]

約数ペア:

[(1, 661724167), (13, 50901859), (17, 38924951), (89, 7435103), (221, 2994227), (289, 2289703), (1157, 571931), (1513, 437359), (1979, 334373), (3757, 176131), (19669, 33643), (25721, 25727)]