142557427

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 164989440

約数和(自身を除く): 22432013

約数列:

[1, 17, 23, 43, 61, 139, 391, 731, 989, 1037, 1403, 2363, 2623, 3197, 5977, 8479, 16813, 23851, 44591, 54349, 60329, 101609, 137471, 144143, 195017, 364597, 1025593, 2337007, 3315289, 6198149, 8385731, 142557427]

約数ペア:

[(1, 142557427), (17, 8385731), (23, 6198149), (43, 3315289), (61, 2337007), (139, 1025593), (391, 364597), (731, 195017), (989, 144143), (1037, 137471), (1403, 101609), (2363, 60329), (2623, 54349), (3197, 44591), (5977, 23851), (8479, 16813)]