66895856

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{43103}}^1$

素因数の和:43208

約数の個数: 20

約数和(自身を含む): 130949952

約数和(自身を除く): 64054096

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 43103, 86206, 172412, 344824, 689648, 4180991, 8361982, 16723964, 33447928, 66895856]

約数ペア:

[(1, 66895856), (2, 33447928), (4, 16723964), (8, 8361982), (16, 4180991), (97, 689648), (194, 344824), (388, 172412), (776, 86206), (1552, 43103)]