81398568

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 208373760

約数和(自身を除く): 126975192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 223, 227, 268, 402, 446, 454, 536, 669, 681, 804, 892, 908, 1338, 1362, 1608, 1784, 1816, 2676, 2724, 5352, 5448, 14941, 15209, 29882, 30418, 44823, 45627, 50621, 59764, 60836, 89646, 91254, 101242, 119528, 121672, 151863, 179292, 182508, 202484, 303726, 358584, 365016, 404968, 607452, 1214904, 3391607, 6783214, 10174821, 13566428, 20349642, 27132856, 40699284, 81398568]

約数ペア:

[(1, 81398568), (2, 40699284), (3, 27132856), (4, 20349642), (6, 13566428), (8, 10174821), (12, 6783214), (24, 3391607), (67, 1214904), (134, 607452), (201, 404968), (223, 365016), (227, 358584), (268, 303726), (402, 202484), (446, 182508), (454, 179292), (536, 151863), (669, 121672), (681, 119528), (804, 101242), (892, 91254), (908, 89646), (1338, 60836), (1362, 59764), (1608, 50621), (1784, 45627), (1816, 44823), (2676, 30418), (2724, 29882), (5352, 15209), (5448, 14941)]