289874512

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{218279}}^1$

素因数の和:218370

約数の個数: 20

約数和(自身を含む): 568401120

約数和(自身を除く): 278526608

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 218279, 436558, 873116, 1746232, 3492464, 18117157, 36234314, 72468628, 144937256, 289874512]

約数ペア:

[(1, 289874512), (2, 144937256), (4, 72468628), (8, 36234314), (16, 18117157), (83, 3492464), (166, 1746232), (332, 873116), (664, 436558), (1328, 218279)]