28556828

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{137}}^1$

素因数の和:254

約数の個数: 36

約数和(自身を含む): 53261376

約数和(自身を除く): 24704548

約数列:

[1, 2, 4, 31, 41, 62, 82, 124, 137, 164, 274, 548, 1271, 1681, 2542, 3362, 4247, 5084, 5617, 6724, 8494, 11234, 16988, 22468, 52111, 104222, 174127, 208444, 230297, 348254, 460594, 696508, 921188, 7139207, 14278414, 28556828]

約数ペア:

[(1, 28556828), (2, 14278414), (4, 7139207), (31, 921188), (41, 696508), (62, 460594), (82, 348254), (124, 230297), (137, 208444), (164, 174127), (274, 104222), (548, 52111), (1271, 22468), (1681, 16988), (2542, 11234), (3362, 8494), (4247, 6724), (5084, 5617)]