217389008

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{487}}^1\times {\mathrm{1213}}^1$

素因数の和:1731

約数の個数: 40

約数和(自身を含む): 440769408

約数和(自身を除く): 223380400

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 487, 974, 1213, 1948, 2426, 3896, 4852, 7792, 9704, 11201, 19408, 22402, 27899, 44804, 55798, 89608, 111596, 179216, 223192, 446384, 590731, 1181462, 2362924, 4725848, 9451696, 13586813, 27173626, 54347252, 108694504, 217389008]

約数ペア:

[(1, 217389008), (2, 108694504), (4, 54347252), (8, 27173626), (16, 13586813), (23, 9451696), (46, 4725848), (92, 2362924), (184, 1181462), (368, 590731), (487, 446384), (974, 223192), (1213, 179216), (1948, 111596), (2426, 89608), (3896, 55798), (4852, 44804), (7792, 27899), (9704, 22402), (11201, 19408)]