289802416

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{54721}}^1$

素因数の和:55060

約数の個数: 20

約数和(自身を含む): 563198824

約数和(自身を除く): 273396408

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 54721, 109442, 218884, 437768, 875536, 18112651, 36225302, 72450604, 144901208, 289802416]

約数ペア:

[(1, 289802416), (2, 144901208), (4, 72450604), (8, 36225302), (16, 18112651), (331, 875536), (662, 437768), (1324, 218884), (2648, 109442), (5296, 54721)]