289221632

素因数分解:

$2^{10}\times 7^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:441

約数の個数: 88

約数和(自身を含む): 667551264

約数和(自身を除く): 378329632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 157, 224, 256, 257, 314, 448, 512, 514, 628, 896, 1024, 1028, 1099, 1256, 1792, 1799, 2056, 2198, 2512, 3584, 3598, 4112, 4396, 5024, 7168, 7196, 8224, 8792, 10048, 14392, 16448, 17584, 20096, 28784, 32896, 35168, 40192, 40349, 57568, 65792, 70336, 80384, 80698, 115136, 131584, 140672, 160768, 161396, 230272, 263168, 281344, 282443, 322792, 460544, 562688, 564886, 645584, 921088, 1125376, 1129772, 1291168, 1842176, 2259544, 2582336, 4519088, 5164672, 9038176, 10329344, 18076352, 20658688, 36152704, 41317376, 72305408, 144610816, 289221632]

約数ペア:

[(1, 289221632), (2, 144610816), (4, 72305408), (7, 41317376), (8, 36152704), (14, 20658688), (16, 18076352), (28, 10329344), (32, 9038176), (56, 5164672), (64, 4519088), (112, 2582336), (128, 2259544), (157, 1842176), (224, 1291168), (256, 1129772), (257, 1125376), (314, 921088), (448, 645584), (512, 564886), (514, 562688), (628, 460544), (896, 322792), (1024, 282443), (1028, 281344), (1099, 263168), (1256, 230272), (1792, 161396), (1799, 160768), (2056, 140672), (2198, 131584), (2512, 115136), (3584, 80698), (3598, 80384), (4112, 70336), (4396, 65792), (5024, 57568), (7168, 40349), (7196, 40192), (8224, 35168), (8792, 32896), (10048, 28784), (14392, 20096), (16448, 17584)]