218417488

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{164471}}^1$

素因数の和:164562

約数の個数: 20

約数和(自身を含む): 428285088

約数和(自身を除く): 209867600

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 164471, 328942, 657884, 1315768, 2631536, 13651093, 27302186, 54604372, 109208744, 218417488]

約数ペア:

[(1, 218417488), (2, 109208744), (4, 54604372), (8, 27302186), (16, 13651093), (83, 2631536), (166, 1315768), (332, 657884), (664, 328942), (1328, 164471)]