71813248

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 155937600

約数和(自身を除く): 84124352

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 103, 104, 128, 206, 208, 412, 416, 419, 824, 832, 838, 1339, 1648, 1664, 1676, 2678, 3296, 3352, 5356, 5447, 6592, 6704, 10712, 10894, 13184, 13408, 21424, 21788, 26816, 42848, 43157, 43576, 53632, 85696, 86314, 87152, 171392, 172628, 174304, 345256, 348608, 561041, 690512, 697216, 1122082, 1381024, 2244164, 2762048, 4488328, 5524096, 8976656, 17953312, 35906624, 71813248]

約数ペア:

[(1, 71813248), (2, 35906624), (4, 17953312), (8, 8976656), (13, 5524096), (16, 4488328), (26, 2762048), (32, 2244164), (52, 1381024), (64, 1122082), (103, 697216), (104, 690512), (128, 561041), (206, 348608), (208, 345256), (412, 174304), (416, 172628), (419, 171392), (824, 87152), (832, 86314), (838, 85696), (1339, 53632), (1648, 43576), (1664, 43157), (1676, 42848), (2678, 26816), (3296, 21788), (3352, 21424), (5356, 13408), (5447, 13184), (6592, 10894), (6704, 10712)]