38391899

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 53125632

約数和(自身を除く): 14733733

約数列:

[1, 7, 13, 17, 23, 83, 91, 119, 161, 169, 221, 299, 391, 581, 1079, 1183, 1411, 1547, 1909, 2093, 2737, 2873, 3887, 5083, 7553, 9877, 13363, 14027, 18343, 20111, 24817, 27209, 32453, 35581, 66079, 98189, 128401, 173719, 227171, 238459, 322621, 421889, 462553, 1669213, 2258347, 2953223, 5484557, 38391899]

約数ペア:

[(1, 38391899), (7, 5484557), (13, 2953223), (17, 2258347), (23, 1669213), (83, 462553), (91, 421889), (119, 322621), (161, 238459), (169, 227171), (221, 173719), (299, 128401), (391, 98189), (581, 66079), (1079, 35581), (1183, 32453), (1411, 27209), (1547, 24817), (1909, 20111), (2093, 18343), (2737, 14027), (2873, 13363), (3887, 9877), (5083, 7553)]