257017232

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{1117}}^1$

素因数の和:1395

約数の個数: 40

約数和(自身を含む): 507809016

約数和(自身を除く): 250791784

約数列:

[1, 2, 4, 8, 16, 73, 146, 197, 292, 394, 584, 788, 1117, 1168, 1576, 2234, 3152, 4468, 8936, 14381, 17872, 28762, 57524, 81541, 115048, 163082, 220049, 230096, 326164, 440098, 652328, 880196, 1304656, 1760392, 3520784, 16063577, 32127154, 64254308, 128508616, 257017232]

約数ペア:

[(1, 257017232), (2, 128508616), (4, 64254308), (8, 32127154), (16, 16063577), (73, 3520784), (146, 1760392), (197, 1304656), (292, 880196), (394, 652328), (584, 440098), (788, 326164), (1117, 230096), (1168, 220049), (1576, 163082), (2234, 115048), (3152, 81541), (4468, 57524), (8936, 28762), (14381, 17872)]