71978368

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 128

約数和(自身を含む): 183110400

約数和(自身を除く): 111132032

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 67, 77, 88, 109, 112, 128, 134, 154, 176, 218, 224, 268, 308, 352, 436, 448, 469, 536, 616, 704, 737, 763, 872, 896, 938, 1072, 1199, 1232, 1408, 1474, 1526, 1744, 1876, 2144, 2398, 2464, 2948, 3052, 3488, 3752, 4288, 4796, 4928, 5159, 5896, 6104, 6976, 7303, 7504, 8393, 8576, 9592, 9856, 10318, 11792, 12208, 13952, 14606, 15008, 16786, 19184, 20636, 23584, 24416, 29212, 30016, 33572, 38368, 41272, 47168, 48832, 51121, 58424, 60032, 67144, 76736, 80333, 82544, 94336, 97664, 102242, 116848, 134288, 153472, 160666, 165088, 204484, 233696, 268576, 321332, 330176, 408968, 467392, 537152, 562331, 642664, 660352, 817936, 934784, 1074304, 1124662, 1285328, 1635872, 2249324, 2570656, 3271744, 4498648, 5141312, 6543488, 8997296, 10282624, 17994592, 35989184, 71978368]

約数ペア:

[(1, 71978368), (2, 35989184), (4, 17994592), (7, 10282624), (8, 8997296), (11, 6543488), (14, 5141312), (16, 4498648), (22, 3271744), (28, 2570656), (32, 2249324), (44, 1635872), (56, 1285328), (64, 1124662), (67, 1074304), (77, 934784), (88, 817936), (109, 660352), (112, 642664), (128, 562331), (134, 537152), (154, 467392), (176, 408968), (218, 330176), (224, 321332), (268, 268576), (308, 233696), (352, 204484), (436, 165088), (448, 160666), (469, 153472), (536, 134288), (616, 116848), (704, 102242), (737, 97664), (763, 94336), (872, 82544), (896, 80333), (938, 76736), (1072, 67144), (1199, 60032), (1232, 58424), (1408, 51121), (1474, 48832), (1526, 47168), (1744, 41272), (1876, 38368), (2144, 33572), (2398, 30016), (2464, 29212), (2948, 24416), (3052, 23584), (3488, 20636), (3752, 19184), (4288, 16786), (4796, 15008), (4928, 14606), (5159, 13952), (5896, 12208), (6104, 11792), (6976, 10318), (7303, 9856), (7504, 9592), (8393, 8576)]