81454208

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 194322240

約数和(自身を除く): 112868032

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 41, 44, 64, 68, 82, 83, 88, 128, 136, 164, 166, 176, 187, 272, 328, 332, 352, 374, 451, 544, 656, 664, 697, 704, 748, 902, 913, 1088, 1312, 1328, 1394, 1408, 1411, 1496, 1804, 1826, 2176, 2624, 2656, 2788, 2822, 2992, 3403, 3608, 3652, 5248, 5312, 5576, 5644, 5984, 6806, 7216, 7304, 7667, 10624, 11152, 11288, 11968, 13612, 14432, 14608, 15334, 15521, 22304, 22576, 23936, 27224, 28864, 29216, 30668, 31042, 37433, 44608, 45152, 54448, 57728, 57851, 58432, 61336, 62084, 74866, 89216, 90304, 108896, 115702, 116864, 122672, 124168, 149732, 180608, 217792, 231404, 245344, 248336, 299464, 435584, 462808, 490688, 496672, 598928, 636361, 925616, 981376, 993344, 1197856, 1272722, 1851232, 1986688, 2395712, 2545444, 3702464, 4791424, 5090888, 7404928, 10181776, 20363552, 40727104, 81454208]

約数ペア:

[(1, 81454208), (2, 40727104), (4, 20363552), (8, 10181776), (11, 7404928), (16, 5090888), (17, 4791424), (22, 3702464), (32, 2545444), (34, 2395712), (41, 1986688), (44, 1851232), (64, 1272722), (68, 1197856), (82, 993344), (83, 981376), (88, 925616), (128, 636361), (136, 598928), (164, 496672), (166, 490688), (176, 462808), (187, 435584), (272, 299464), (328, 248336), (332, 245344), (352, 231404), (374, 217792), (451, 180608), (544, 149732), (656, 124168), (664, 122672), (697, 116864), (704, 115702), (748, 108896), (902, 90304), (913, 89216), (1088, 74866), (1312, 62084), (1328, 61336), (1394, 58432), (1408, 57851), (1411, 57728), (1496, 54448), (1804, 45152), (1826, 44608), (2176, 37433), (2624, 31042), (2656, 30668), (2788, 29216), (2822, 28864), (2992, 27224), (3403, 23936), (3608, 22576), (3652, 22304), (5248, 15521), (5312, 15334), (5576, 14608), (5644, 14432), (5984, 13612), (6806, 11968), (7216, 11288), (7304, 11152), (7667, 10624)]