208514896

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{809}}^1$

素因数の和:1087

約数の個数: 40

約数和(自身を含む): 411301800

約数和(自身を除く): 202786904

約数列:

[1, 2, 4, 8, 16, 89, 178, 181, 356, 362, 712, 724, 809, 1424, 1448, 1618, 2896, 3236, 6472, 12944, 16109, 32218, 64436, 72001, 128872, 144002, 146429, 257744, 288004, 292858, 576008, 585716, 1152016, 1171432, 2342864, 13032181, 26064362, 52128724, 104257448, 208514896]

約数ペア:

[(1, 208514896), (2, 104257448), (4, 52128724), (8, 26064362), (16, 13032181), (89, 2342864), (178, 1171432), (181, 1152016), (356, 585716), (362, 576008), (712, 292858), (724, 288004), (809, 257744), (1424, 146429), (1448, 144002), (1618, 128872), (2896, 72001), (3236, 64436), (6472, 32218), (12944, 16109)]