15664091989

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{13159}}^1$

素因数の和:13409

約数の個数: 32

約数和(自身を含む): 19620823040

約数和(自身を除く): 3956731051

約数列:

[1, 7, 13, 91, 103, 127, 721, 889, 1339, 1651, 9373, 11557, 13081, 13159, 91567, 92113, 170053, 171067, 1190371, 1197469, 1355377, 1671193, 9487639, 11698351, 17619901, 21725509, 123339307, 152078563, 172132879, 1204930153, 2237727427, 15664091989]

約数ペア:

[(1, 15664091989), (7, 2237727427), (13, 1204930153), (91, 172132879), (103, 152078563), (127, 123339307), (721, 21725509), (889, 17619901), (1339, 11698351), (1651, 9487639), (9373, 1671193), (11557, 1355377), (13081, 1197469), (13159, 1190371), (91567, 171067), (92113, 170053)]