208033904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 448846272

約数和(自身を除く): 240812368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 113, 167, 208, 212, 226, 334, 424, 452, 668, 689, 848, 904, 1336, 1378, 1469, 1808, 2171, 2672, 2756, 2938, 4342, 5512, 5876, 5989, 8684, 8851, 11024, 11752, 11978, 17368, 17702, 18871, 23504, 23956, 34736, 35404, 37742, 47912, 70808, 75484, 77857, 95824, 115063, 141616, 150968, 155714, 230126, 245323, 301936, 311428, 460252, 490646, 622856, 920504, 981292, 1000163, 1245712, 1841008, 1962584, 2000326, 3925168, 4000652, 8001304, 13002119, 16002608, 26004238, 52008476, 104016952, 208033904]

約数ペア:

[(1, 208033904), (2, 104016952), (4, 52008476), (8, 26004238), (13, 16002608), (16, 13002119), (26, 8001304), (52, 4000652), (53, 3925168), (104, 2000326), (106, 1962584), (113, 1841008), (167, 1245712), (208, 1000163), (212, 981292), (226, 920504), (334, 622856), (424, 490646), (452, 460252), (668, 311428), (689, 301936), (848, 245323), (904, 230126), (1336, 155714), (1378, 150968), (1469, 141616), (1808, 115063), (2171, 95824), (2672, 77857), (2756, 75484), (2938, 70808), (4342, 47912), (5512, 37742), (5876, 35404), (5989, 34736), (8684, 23956), (8851, 23504), (11024, 18871), (11752, 17702), (11978, 17368)]