208389808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^3\times {\mathrm{241}}^1$

素因数の和:311

約数の個数: 80

約数和(自身を含む): 469925280

約数和(自身を除く): 261535472

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 241, 272, 289, 374, 482, 578, 748, 964, 1156, 1496, 1928, 2312, 2651, 2992, 3179, 3856, 4097, 4624, 4913, 5302, 6358, 8194, 9826, 10604, 12716, 16388, 19652, 21208, 25432, 32776, 39304, 42416, 45067, 50864, 54043, 65552, 69649, 78608, 90134, 108086, 139298, 180268, 216172, 278596, 360536, 432344, 557192, 721072, 766139, 864688, 1114384, 1184033, 1532278, 2368066, 3064556, 4736132, 6129112, 9472264, 12258224, 13024363, 18944528, 26048726, 52097452, 104194904, 208389808]

約数ペア:

[(1, 208389808), (2, 104194904), (4, 52097452), (8, 26048726), (11, 18944528), (16, 13024363), (17, 12258224), (22, 9472264), (34, 6129112), (44, 4736132), (68, 3064556), (88, 2368066), (136, 1532278), (176, 1184033), (187, 1114384), (241, 864688), (272, 766139), (289, 721072), (374, 557192), (482, 432344), (578, 360536), (748, 278596), (964, 216172), (1156, 180268), (1496, 139298), (1928, 108086), (2312, 90134), (2651, 78608), (2992, 69649), (3179, 65552), (3856, 54043), (4097, 50864), (4624, 45067), (4913, 42416), (5302, 39304), (6358, 32776), (8194, 25432), (9826, 21208), (10604, 19652), (12716, 16388)]