159856

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:208

約数の個数: 20

約数和(自身を含む): 315952

約数和(自身を除く): 156096

約数列:

[1, 2, 4, 8, 16, 97, 103, 194, 206, 388, 412, 776, 824, 1552, 1648, 9991, 19982, 39964, 79928, 159856]

約数ペア:

[(1, 159856), (2, 79928), (4, 39964), (8, 19982), (16, 9991), (97, 1648), (103, 1552), (194, 824), (206, 776), (388, 412)]