78147728

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{269}}^1\times {\mathrm{271}}^1$

素因数の和:615

約数の個数: 40

約数和(自身を含む): 154811520

約数和(自身を除く): 76663792

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 269, 271, 536, 538, 542, 1072, 1076, 1084, 2152, 2168, 4304, 4336, 18023, 18157, 36046, 36314, 72092, 72628, 72899, 144184, 145256, 145798, 288368, 290512, 291596, 583192, 1166384, 4884233, 9768466, 19536932, 39073864, 78147728]

約数ペア:

[(1, 78147728), (2, 39073864), (4, 19536932), (8, 9768466), (16, 4884233), (67, 1166384), (134, 583192), (268, 291596), (269, 290512), (271, 288368), (536, 145798), (538, 145256), (542, 144184), (1072, 72899), (1076, 72628), (1084, 72092), (2152, 36314), (2168, 36046), (4304, 18157), (4336, 18023)]