28000258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{443}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 52651296

約数和(自身を除く): 24651038

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 169, 187, 221, 286, 338, 374, 442, 443, 886, 1859, 2431, 2873, 3718, 4862, 4873, 5746, 5759, 7531, 9746, 11518, 15062, 31603, 63206, 63349, 74867, 82841, 97903, 126698, 149734, 165682, 195806, 823537, 1076933, 1272739, 1647074, 2153866, 2545478, 14000129, 28000258]

約数ペア:

[(1, 28000258), (2, 14000129), (11, 2545478), (13, 2153866), (17, 1647074), (22, 1272739), (26, 1076933), (34, 823537), (143, 195806), (169, 165682), (187, 149734), (221, 126698), (286, 97903), (338, 82841), (374, 74867), (442, 63349), (443, 63206), (886, 31603), (1859, 15062), (2431, 11518), (2873, 9746), (3718, 7531), (4862, 5759), (4873, 5746)]