28057528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{937}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 55717200

約数和(自身を除く): 27659672

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 197, 394, 788, 937, 1576, 1874, 3743, 3748, 7486, 7496, 14972, 17803, 29944, 35606, 71212, 142424, 184589, 369178, 738356, 1476712, 3507191, 7014382, 14028764, 28057528]

約数ペア:

[(1, 28057528), (2, 14028764), (4, 7014382), (8, 3507191), (19, 1476712), (38, 738356), (76, 369178), (152, 184589), (197, 142424), (394, 71212), (788, 35606), (937, 29944), (1576, 17803), (1874, 14972), (3743, 7496), (3748, 7486)]