28793947

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 37416960

約数和(自身を除く): 8623013

約数列:

[1, 7, 13, 31, 59, 91, 173, 217, 403, 413, 767, 1211, 1829, 2249, 2821, 5363, 5369, 10207, 12803, 15743, 23777, 37541, 69719, 71449, 132691, 166439, 316417, 488033, 928837, 2214919, 4113421, 28793947]

約数ペア:

[(1, 28793947), (7, 4113421), (13, 2214919), (31, 928837), (59, 488033), (91, 316417), (173, 166439), (217, 132691), (403, 71449), (413, 69719), (767, 37541), (1211, 23777), (1829, 15743), (2249, 12803), (2821, 10207), (5363, 5369)]