81161312

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1019}}^1$

素因数の和:1179

約数の個数: 48

約数和(自身を含む): 169646400

約数和(自身を除く): 88485088

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 131, 152, 262, 304, 524, 608, 1019, 1048, 2038, 2096, 2489, 4076, 4192, 4978, 8152, 9956, 16304, 19361, 19912, 32608, 38722, 39824, 77444, 79648, 133489, 154888, 266978, 309776, 533956, 619552, 1067912, 2135824, 2536291, 4271648, 5072582, 10145164, 20290328, 40580656, 81161312]

約数ペア:

[(1, 81161312), (2, 40580656), (4, 20290328), (8, 10145164), (16, 5072582), (19, 4271648), (32, 2536291), (38, 2135824), (76, 1067912), (131, 619552), (152, 533956), (262, 309776), (304, 266978), (524, 154888), (608, 133489), (1019, 79648), (1048, 77444), (2038, 39824), (2096, 38722), (2489, 32608), (4076, 19912), (4192, 19361), (4978, 16304), (8152, 9956)]