28765373

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 37847040

約数和(自身を除く): 9081667

約数列:

[1, 7, 13, 19, 91, 127, 131, 133, 247, 889, 917, 1651, 1703, 1729, 2413, 2489, 11557, 11921, 16637, 16891, 17423, 31369, 32357, 116459, 216281, 219583, 226499, 316103, 1513967, 2212721, 4109339, 28765373]

約数ペア:

[(1, 28765373), (7, 4109339), (13, 2212721), (19, 1513967), (91, 316103), (127, 226499), (131, 219583), (133, 216281), (247, 116459), (889, 32357), (917, 31369), (1651, 17423), (1703, 16891), (1729, 16637), (2413, 11921), (2489, 11557)]