81366208

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 168

約数和(自身を含む): 216204800

約数和(自身を除く): 134838592

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 56, 64, 76, 77, 79, 88, 112, 121, 133, 152, 154, 158, 176, 209, 224, 242, 266, 304, 308, 316, 352, 418, 448, 484, 532, 553, 608, 616, 632, 704, 836, 847, 869, 968, 1064, 1106, 1216, 1232, 1264, 1463, 1501, 1672, 1694, 1738, 1936, 2128, 2212, 2299, 2464, 2528, 2926, 3002, 3344, 3388, 3476, 3872, 4256, 4424, 4598, 4928, 5056, 5852, 6004, 6083, 6688, 6776, 6952, 7744, 8512, 8848, 9196, 9559, 10507, 11704, 12008, 12166, 13376, 13552, 13904, 16093, 16511, 17696, 18392, 19118, 21014, 23408, 24016, 24332, 27104, 27808, 32186, 33022, 35392, 36784, 38236, 42028, 46816, 48032, 48664, 54208, 55616, 64372, 66044, 66913, 73568, 76472, 84056, 93632, 96064, 97328, 115577, 128744, 132088, 133826, 147136, 152944, 168112, 181621, 194656, 231154, 257488, 264176, 267652, 305888, 336224, 363242, 389312, 462308, 514976, 528352, 535304, 611776, 672448, 726484, 924616, 1029952, 1056704, 1070608, 1271347, 1452968, 1849232, 2141216, 2542694, 2905936, 3698464, 4282432, 5085388, 5811872, 7396928, 10170776, 11623744, 20341552, 40683104, 81366208]

約数ペア:

[(1, 81366208), (2, 40683104), (4, 20341552), (7, 11623744), (8, 10170776), (11, 7396928), (14, 5811872), (16, 5085388), (19, 4282432), (22, 3698464), (28, 2905936), (32, 2542694), (38, 2141216), (44, 1849232), (56, 1452968), (64, 1271347), (76, 1070608), (77, 1056704), (79, 1029952), (88, 924616), (112, 726484), (121, 672448), (133, 611776), (152, 535304), (154, 528352), (158, 514976), (176, 462308), (209, 389312), (224, 363242), (242, 336224), (266, 305888), (304, 267652), (308, 264176), (316, 257488), (352, 231154), (418, 194656), (448, 181621), (484, 168112), (532, 152944), (553, 147136), (608, 133826), (616, 132088), (632, 128744), (704, 115577), (836, 97328), (847, 96064), (869, 93632), (968, 84056), (1064, 76472), (1106, 73568), (1216, 66913), (1232, 66044), (1264, 64372), (1463, 55616), (1501, 54208), (1672, 48664), (1694, 48032), (1738, 46816), (1936, 42028), (2128, 38236), (2212, 36784), (2299, 35392), (2464, 33022), (2528, 32186), (2926, 27808), (3002, 27104), (3344, 24332), (3388, 24016), (3476, 23408), (3872, 21014), (4256, 19118), (4424, 18392), (4598, 17696), (4928, 16511), (5056, 16093), (5852, 13904), (6004, 13552), (6083, 13376), (6688, 12166), (6776, 12008), (6952, 11704), (7744, 10507), (8512, 9559), (8848, 9196)]