208518352

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1493}}^1$

素因数の和:1580

約数の個数: 80

約数和(自身を含む): 489075840

約数和(自身を除く): 280557488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 43, 56, 58, 86, 112, 116, 172, 203, 232, 301, 344, 406, 464, 602, 688, 812, 1204, 1247, 1493, 1624, 2408, 2494, 2986, 3248, 4816, 4988, 5972, 8729, 9976, 10451, 11944, 17458, 19952, 20902, 23888, 34916, 41804, 43297, 64199, 69832, 83608, 86594, 128398, 139664, 167216, 173188, 256796, 303079, 346376, 449393, 513592, 606158, 692752, 898786, 1027184, 1212316, 1797572, 1861771, 2424632, 3595144, 3723542, 4849264, 7190288, 7447084, 13032397, 14894168, 26064794, 29788336, 52129588, 104259176, 208518352]

約数ペア:

[(1, 208518352), (2, 104259176), (4, 52129588), (7, 29788336), (8, 26064794), (14, 14894168), (16, 13032397), (28, 7447084), (29, 7190288), (43, 4849264), (56, 3723542), (58, 3595144), (86, 2424632), (112, 1861771), (116, 1797572), (172, 1212316), (203, 1027184), (232, 898786), (301, 692752), (344, 606158), (406, 513592), (464, 449393), (602, 346376), (688, 303079), (812, 256796), (1204, 173188), (1247, 167216), (1493, 139664), (1624, 128398), (2408, 86594), (2494, 83608), (2986, 69832), (3248, 64199), (4816, 43297), (4988, 41804), (5972, 34916), (8729, 23888), (9976, 20902), (10451, 19952), (11944, 17458)]