78304816

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 154521360

約数和(自身を除く): 76216544

約数列:

[1, 2, 4, 8, 16, 137, 139, 257, 274, 278, 514, 548, 556, 1028, 1096, 1112, 2056, 2192, 2224, 4112, 19043, 35209, 35723, 38086, 70418, 71446, 76172, 140836, 142892, 152344, 281672, 285784, 304688, 563344, 571568, 4894051, 9788102, 19576204, 39152408, 78304816]

約数ペア:

[(1, 78304816), (2, 39152408), (4, 19576204), (8, 9788102), (16, 4894051), (137, 571568), (139, 563344), (257, 304688), (274, 285784), (278, 281672), (514, 152344), (548, 142892), (556, 140836), (1028, 76172), (1096, 71446), (1112, 70418), (2056, 38086), (2192, 35723), (2224, 35209), (4112, 19043)]