68213968

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{313}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 135614088

約数和(自身を除く): 67400120

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 257, 313, 424, 514, 626, 848, 1028, 1252, 2056, 2504, 4112, 5008, 13621, 16589, 27242, 33178, 54484, 66356, 80441, 108968, 132712, 160882, 217936, 265424, 321764, 643528, 1287056, 4263373, 8526746, 17053492, 34106984, 68213968]

約数ペア:

[(1, 68213968), (2, 34106984), (4, 17053492), (8, 8526746), (16, 4263373), (53, 1287056), (106, 643528), (212, 321764), (257, 265424), (313, 217936), (424, 160882), (514, 132712), (626, 108968), (848, 80441), (1028, 66356), (1252, 54484), (2056, 33178), (2504, 27242), (4112, 16589), (5008, 13621)]