81045184

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:198

約数の個数: 112

約数和(自身を含む): 189463680

約数和(自身を除く): 108418496

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 73, 76, 83, 88, 146, 152, 166, 176, 209, 292, 304, 332, 352, 418, 584, 608, 664, 704, 803, 836, 913, 1168, 1216, 1328, 1387, 1577, 1606, 1672, 1826, 2336, 2656, 2774, 3154, 3212, 3344, 3652, 4672, 5312, 5548, 6059, 6308, 6424, 6688, 7304, 11096, 12118, 12616, 12848, 13376, 14608, 15257, 17347, 22192, 24236, 25232, 25696, 29216, 30514, 34694, 44384, 48472, 50464, 51392, 58432, 61028, 66649, 69388, 88768, 96944, 100928, 115121, 122056, 133298, 138776, 193888, 230242, 244112, 266596, 277552, 387776, 460484, 488224, 533192, 555104, 920968, 976448, 1066384, 1110208, 1266331, 1841936, 2132768, 2532662, 3683872, 4265536, 5065324, 7367744, 10130648, 20261296, 40522592, 81045184]

約数ペア:

[(1, 81045184), (2, 40522592), (4, 20261296), (8, 10130648), (11, 7367744), (16, 5065324), (19, 4265536), (22, 3683872), (32, 2532662), (38, 2132768), (44, 1841936), (64, 1266331), (73, 1110208), (76, 1066384), (83, 976448), (88, 920968), (146, 555104), (152, 533192), (166, 488224), (176, 460484), (209, 387776), (292, 277552), (304, 266596), (332, 244112), (352, 230242), (418, 193888), (584, 138776), (608, 133298), (664, 122056), (704, 115121), (803, 100928), (836, 96944), (913, 88768), (1168, 69388), (1216, 66649), (1328, 61028), (1387, 58432), (1577, 51392), (1606, 50464), (1672, 48472), (1826, 44384), (2336, 34694), (2656, 30514), (2774, 29216), (3154, 25696), (3212, 25232), (3344, 24236), (3652, 22192), (4672, 17347), (5312, 15257), (5548, 14608), (6059, 13376), (6308, 12848), (6424, 12616), (6688, 12118), (7304, 11096)]