28204228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{13229}}^1$

素因数の和:13287

約数の個数: 24

約数和(自身を含む): 54454680

約数和(自身を除く): 26250452

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 13229, 26458, 52916, 171977, 343954, 542389, 687908, 1084778, 2169556, 7051057, 14102114, 28204228]

約数ペア:

[(1, 28204228), (2, 14102114), (4, 7051057), (13, 2169556), (26, 1084778), (41, 687908), (52, 542389), (82, 343954), (164, 171977), (533, 52916), (1066, 26458), (2132, 13229)]