201239995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{619}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 276410880

約数和(自身を除く): 75170885

約数列:

[1, 5, 11, 23, 55, 115, 253, 257, 619, 1265, 1285, 2827, 3095, 5911, 6809, 14135, 14237, 29555, 34045, 65021, 71185, 156607, 159083, 325105, 783035, 795415, 1749913, 3658909, 8749565, 18294545, 40247999, 201239995]

約数ペア:

[(1, 201239995), (5, 40247999), (11, 18294545), (23, 8749565), (55, 3658909), (115, 1749913), (253, 795415), (257, 783035), (619, 325105), (1265, 159083), (1285, 156607), (2827, 71185), (3095, 65021), (5911, 34045), (6809, 29555), (14135, 14237)]