205231656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:455

約数の個数: 128

約数和(自身を含む): 611573760

約数和(自身を除く): 406342104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 157, 168, 186, 217, 248, 251, 314, 372, 434, 471, 502, 628, 651, 744, 753, 868, 942, 1004, 1099, 1256, 1302, 1506, 1736, 1757, 1884, 2008, 2198, 2604, 3012, 3297, 3514, 3768, 4396, 4867, 5208, 5271, 6024, 6594, 7028, 7781, 8792, 9734, 10542, 13188, 14056, 14601, 15562, 19468, 21084, 23343, 26376, 29202, 31124, 34069, 38936, 39407, 42168, 46686, 54467, 58404, 62248, 68138, 78814, 93372, 102207, 108934, 116808, 118221, 136276, 157628, 163401, 186744, 204414, 217868, 236442, 272552, 275849, 315256, 326802, 408828, 435736, 472884, 551698, 653604, 817656, 827547, 945768, 1103396, 1221617, 1307208, 1655094, 2206792, 2443234, 3310188, 3664851, 4886468, 6620376, 7329702, 8551319, 9772936, 14659404, 17102638, 25653957, 29318808, 34205276, 51307914, 68410552, 102615828, 205231656]

約数ペア:

[(1, 205231656), (2, 102615828), (3, 68410552), (4, 51307914), (6, 34205276), (7, 29318808), (8, 25653957), (12, 17102638), (14, 14659404), (21, 9772936), (24, 8551319), (28, 7329702), (31, 6620376), (42, 4886468), (56, 3664851), (62, 3310188), (84, 2443234), (93, 2206792), (124, 1655094), (157, 1307208), (168, 1221617), (186, 1103396), (217, 945768), (248, 827547), (251, 817656), (314, 653604), (372, 551698), (434, 472884), (471, 435736), (502, 408828), (628, 326802), (651, 315256), (744, 275849), (753, 272552), (868, 236442), (942, 217868), (1004, 204414), (1099, 186744), (1256, 163401), (1302, 157628), (1506, 136276), (1736, 118221), (1757, 116808), (1884, 108934), (2008, 102207), (2198, 93372), (2604, 78814), (3012, 68138), (3297, 62248), (3514, 58404), (3768, 54467), (4396, 46686), (4867, 42168), (5208, 39407), (5271, 38936), (6024, 34069), (6594, 31124), (7028, 29202), (7781, 26376), (8792, 23343), (9734, 21084), (10542, 19468), (13188, 15562), (14056, 14601)]