221007808

素因数分解:

$2^6\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:322

約数の個数: 112

約数和(自身を含む): 525068800

約数和(自身を除く): 304060992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 67, 74, 112, 134, 148, 199, 224, 259, 268, 296, 398, 448, 469, 518, 536, 592, 796, 938, 1036, 1072, 1184, 1393, 1592, 1876, 2072, 2144, 2368, 2479, 2786, 3184, 3752, 4144, 4288, 4958, 5572, 6368, 7363, 7504, 8288, 9916, 11144, 12736, 13333, 14726, 15008, 16576, 17353, 19832, 22288, 26666, 29452, 30016, 34706, 39664, 44576, 51541, 53332, 58904, 69412, 79328, 89152, 93331, 103082, 106664, 117808, 138824, 158656, 186662, 206164, 213328, 235616, 277648, 373324, 412328, 426656, 471232, 493321, 555296, 746648, 824656, 853312, 986642, 1110592, 1493296, 1649312, 1973284, 2986592, 3298624, 3453247, 3946568, 5973184, 6906494, 7893136, 13812988, 15786272, 27625976, 31572544, 55251952, 110503904, 221007808]

約数ペア:

[(1, 221007808), (2, 110503904), (4, 55251952), (7, 31572544), (8, 27625976), (14, 15786272), (16, 13812988), (28, 7893136), (32, 6906494), (37, 5973184), (56, 3946568), (64, 3453247), (67, 3298624), (74, 2986592), (112, 1973284), (134, 1649312), (148, 1493296), (199, 1110592), (224, 986642), (259, 853312), (268, 824656), (296, 746648), (398, 555296), (448, 493321), (469, 471232), (518, 426656), (536, 412328), (592, 373324), (796, 277648), (938, 235616), (1036, 213328), (1072, 206164), (1184, 186662), (1393, 158656), (1592, 138824), (1876, 117808), (2072, 106664), (2144, 103082), (2368, 93331), (2479, 89152), (2786, 79328), (3184, 69412), (3752, 58904), (4144, 53332), (4288, 51541), (4958, 44576), (5572, 39664), (6368, 34706), (7363, 30016), (7504, 29452), (8288, 26666), (9916, 22288), (11144, 19832), (12736, 17353), (13333, 16576), (14726, 15008)]