231857135

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{509}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 309329280

約数和(自身を除く): 77472145

約数列:

[1, 5, 17, 23, 85, 115, 233, 391, 509, 1165, 1955, 2545, 3961, 5359, 8653, 11707, 19805, 26795, 43265, 58535, 91103, 118597, 199019, 455515, 592985, 995095, 2016149, 2727731, 10080745, 13638655, 46371427, 231857135]

約数ペア:

[(1, 231857135), (5, 46371427), (17, 13638655), (23, 10080745), (85, 2727731), (115, 2016149), (233, 995095), (391, 592985), (509, 455515), (1165, 199019), (1955, 118597), (2545, 91103), (3961, 58535), (5359, 43265), (8653, 26795), (11707, 19805)]