205245544

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{619}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 457113600

約数和(自身を除く): 251868056

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 191, 217, 248, 382, 434, 619, 764, 868, 1238, 1337, 1528, 1736, 2476, 2674, 4333, 4952, 5348, 5921, 8666, 10696, 11842, 17332, 19189, 23684, 34664, 38378, 41447, 47368, 76756, 82894, 118229, 134323, 153512, 165788, 236458, 268646, 331576, 472916, 537292, 827603, 945832, 1074584, 1655206, 3310412, 3665099, 6620824, 7330198, 14660396, 25655693, 29320792, 51311386, 102622772, 205245544]

約数ペア:

[(1, 205245544), (2, 102622772), (4, 51311386), (7, 29320792), (8, 25655693), (14, 14660396), (28, 7330198), (31, 6620824), (56, 3665099), (62, 3310412), (124, 1655206), (191, 1074584), (217, 945832), (248, 827603), (382, 537292), (434, 472916), (619, 331576), (764, 268646), (868, 236458), (1238, 165788), (1337, 153512), (1528, 134323), (1736, 118229), (2476, 82894), (2674, 76756), (4333, 47368), (4952, 41447), (5348, 38378), (5921, 34664), (8666, 23684), (10696, 19189), (11842, 17332)]