28028008

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 53654400

約数和(自身を除く): 25626392

約数列:

[1, 2, 4, 8, 107, 137, 214, 239, 274, 428, 478, 548, 856, 956, 1096, 1912, 14659, 25573, 29318, 32743, 51146, 58636, 65486, 102292, 117272, 130972, 204584, 261944, 3503501, 7007002, 14014004, 28028008]

約数ペア:

[(1, 28028008), (2, 14014004), (4, 7007002), (8, 3503501), (107, 261944), (137, 204584), (214, 130972), (239, 117272), (274, 102292), (428, 65486), (478, 58636), (548, 51146), (856, 32743), (956, 29318), (1096, 25573), (1912, 14659)]