68139856

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:523

約数の個数: 40

約数和(自身を含む): 134634240

約数和(自身を除く): 66494384

約数列:

[1, 2, 4, 8, 16, 103, 173, 206, 239, 346, 412, 478, 692, 824, 956, 1384, 1648, 1912, 2768, 3824, 17819, 24617, 35638, 41347, 49234, 71276, 82694, 98468, 142552, 165388, 196936, 285104, 330776, 393872, 661552, 4258741, 8517482, 17034964, 34069928, 68139856]

約数ペア:

[(1, 68139856), (2, 34069928), (4, 17034964), (8, 8517482), (16, 4258741), (103, 661552), (173, 393872), (206, 330776), (239, 285104), (346, 196936), (412, 165388), (478, 142552), (692, 98468), (824, 82694), (956, 71276), (1384, 49234), (1648, 41347), (1912, 35638), (2768, 24617), (3824, 17819)]