28376621

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{83}}^1$

素因数の和:150

約数の個数: 36

約数和(自身を含む): 37753632

約数和(自身を除く): 9377011

約数列:

[1, 7, 13, 17, 83, 91, 119, 169, 221, 289, 581, 1079, 1183, 1411, 1547, 2023, 2873, 3757, 7553, 9877, 14027, 18343, 20111, 23987, 26299, 48841, 98189, 128401, 167909, 238459, 311831, 341887, 1669213, 2182817, 4053803, 28376621]

約数ペア:

[(1, 28376621), (7, 4053803), (13, 2182817), (17, 1669213), (83, 341887), (91, 311831), (119, 238459), (169, 167909), (221, 128401), (289, 98189), (581, 48841), (1079, 26299), (1183, 23987), (1411, 20111), (1547, 18343), (2023, 14027), (2873, 9877), (3757, 7553)]