12821248

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 29065680

約数和(自身を除く): 16244432

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 128, 157, 176, 232, 256, 314, 319, 352, 464, 628, 638, 704, 928, 1256, 1276, 1408, 1727, 1856, 2512, 2552, 2816, 3454, 3712, 4553, 5024, 5104, 6908, 7424, 9106, 10048, 10208, 13816, 18212, 20096, 20416, 27632, 36424, 40192, 40832, 50083, 55264, 72848, 81664, 100166, 110528, 145696, 200332, 221056, 291392, 400664, 442112, 582784, 801328, 1165568, 1602656, 3205312, 6410624, 12821248]

約数ペア:

[(1, 12821248), (2, 6410624), (4, 3205312), (8, 1602656), (11, 1165568), (16, 801328), (22, 582784), (29, 442112), (32, 400664), (44, 291392), (58, 221056), (64, 200332), (88, 145696), (116, 110528), (128, 100166), (157, 81664), (176, 72848), (232, 55264), (256, 50083), (314, 40832), (319, 40192), (352, 36424), (464, 27632), (628, 20416), (638, 20096), (704, 18212), (928, 13816), (1256, 10208), (1276, 10048), (1408, 9106), (1727, 7424), (1856, 6908), (2512, 5104), (2552, 5024), (2816, 4553), (3454, 3712)]