68069968

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:515

約数の個数: 40

約数和(自身を含む): 134435840

約数和(自身を除く): 66365872

約数列:

[1, 2, 4, 8, 16, 127, 139, 241, 254, 278, 482, 508, 556, 964, 1016, 1112, 1928, 2032, 2224, 3856, 17653, 30607, 33499, 35306, 61214, 66998, 70612, 122428, 133996, 141224, 244856, 267992, 282448, 489712, 535984, 4254373, 8508746, 17017492, 34034984, 68069968]

約数ペア:

[(1, 68069968), (2, 34034984), (4, 17017492), (8, 8508746), (16, 4254373), (127, 535984), (139, 489712), (241, 282448), (254, 267992), (278, 244856), (482, 141224), (508, 133996), (556, 122428), (964, 70612), (1016, 66998), (1112, 61214), (1928, 35306), (2032, 33499), (2224, 30607), (3856, 17653)]