257579428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1583}}^1\times {\mathrm{2141}}^1$

素因数の和:3747

約数の個数: 24

約数和(自身を含む): 475009920

約数和(自身を除く): 217430492

約数列:

[1, 2, 4, 19, 38, 76, 1583, 2141, 3166, 4282, 6332, 8564, 30077, 40679, 60154, 81358, 120308, 162716, 3389203, 6778406, 13556812, 64394857, 128789714, 257579428]

約数ペア:

[(1, 257579428), (2, 128789714), (4, 64394857), (19, 13556812), (38, 6778406), (76, 3389203), (1583, 162716), (2141, 120308), (3166, 81358), (4282, 60154), (6332, 40679), (8564, 30077)]