201950905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9619}}^1$

素因数の和:9673

約数の個数: 32

約数和(自身を含む): 290908800

約数和(自身を除く): 88957895

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 4199, 9619, 20995, 48095, 125047, 163523, 182761, 625235, 817615, 913805, 2125799, 2375893, 3106937, 10628995, 11879465, 15534685, 40390181, 201950905]

約数ペア:

[(1, 201950905), (5, 40390181), (13, 15534685), (17, 11879465), (19, 10628995), (65, 3106937), (85, 2375893), (95, 2125799), (221, 913805), (247, 817615), (323, 625235), (1105, 182761), (1235, 163523), (1615, 125047), (4199, 48095), (9619, 20995)]