42556865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2027}}^1$

素因数の和:2081

約数の個数: 32

約数和(自身を含む): 61326720

約数和(自身を除く): 18769855

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 2027, 4199, 10135, 20995, 26351, 34459, 38513, 131755, 172295, 192565, 447967, 500669, 654721, 2239835, 2503345, 3273605, 8511373, 42556865]

約数ペア:

[(1, 42556865), (5, 8511373), (13, 3273605), (17, 2503345), (19, 2239835), (65, 654721), (85, 500669), (95, 447967), (221, 192565), (247, 172295), (323, 131755), (1105, 38513), (1235, 34459), (1615, 26351), (2027, 20995), (4199, 10135)]