218652016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 478906848

約数和(自身を除く): 260254832

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 157, 164, 176, 193, 314, 328, 386, 451, 628, 656, 772, 902, 1256, 1544, 1727, 1804, 2123, 2512, 3088, 3454, 3608, 4246, 6437, 6908, 7216, 7913, 8492, 12874, 13816, 15826, 16984, 25748, 27632, 30301, 31652, 33968, 51496, 60602, 63304, 70807, 87043, 102992, 121204, 126608, 141614, 174086, 242408, 283228, 333311, 348172, 484816, 566456, 666622, 696344, 1132912, 1242341, 1333244, 1392688, 2484682, 2666488, 4969364, 5332976, 9938728, 13665751, 19877456, 27331502, 54663004, 109326008, 218652016]

約数ペア:

[(1, 218652016), (2, 109326008), (4, 54663004), (8, 27331502), (11, 19877456), (16, 13665751), (22, 9938728), (41, 5332976), (44, 4969364), (82, 2666488), (88, 2484682), (157, 1392688), (164, 1333244), (176, 1242341), (193, 1132912), (314, 696344), (328, 666622), (386, 566456), (451, 484816), (628, 348172), (656, 333311), (772, 283228), (902, 242408), (1256, 174086), (1544, 141614), (1727, 126608), (1804, 121204), (2123, 102992), (2512, 87043), (3088, 70807), (3454, 63304), (3608, 60602), (4246, 51496), (6437, 33968), (6908, 31652), (7216, 30301), (7913, 27632), (8492, 25748), (12874, 16984), (13816, 15826)]