208128592

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 481219200

約数和(自身を除く): 273090608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 139, 203, 232, 278, 406, 461, 464, 556, 812, 922, 973, 1112, 1624, 1844, 1946, 2224, 3227, 3248, 3688, 3892, 4031, 6454, 7376, 7784, 8062, 12908, 13369, 15568, 16124, 25816, 26738, 28217, 32248, 51632, 53476, 56434, 64079, 64496, 93583, 106952, 112868, 128158, 187166, 213904, 225736, 256316, 374332, 448553, 451472, 512632, 748664, 897106, 1025264, 1497328, 1794212, 1858291, 3588424, 3716582, 7176848, 7433164, 13008037, 14866328, 26016074, 29732656, 52032148, 104064296, 208128592]

約数ペア:

[(1, 208128592), (2, 104064296), (4, 52032148), (7, 29732656), (8, 26016074), (14, 14866328), (16, 13008037), (28, 7433164), (29, 7176848), (56, 3716582), (58, 3588424), (112, 1858291), (116, 1794212), (139, 1497328), (203, 1025264), (232, 897106), (278, 748664), (406, 512632), (461, 451472), (464, 448553), (556, 374332), (812, 256316), (922, 225736), (973, 213904), (1112, 187166), (1624, 128158), (1844, 112868), (1946, 106952), (2224, 93583), (3227, 64496), (3248, 64079), (3688, 56434), (3892, 53476), (4031, 51632), (6454, 32248), (7376, 28217), (7784, 26738), (8062, 25816), (12908, 16124), (13369, 15568)]