257318368

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{423221}}^1$

素因数の和:423250

約数の個数: 24

約数和(自身を含む): 533259720

約数和(自身を除く): 275941352

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 423221, 846442, 1692884, 3385768, 6771536, 8041199, 13543072, 16082398, 32164796, 64329592, 128659184, 257318368]

約数ペア:

[(1, 257318368), (2, 128659184), (4, 64329592), (8, 32164796), (16, 16082398), (19, 13543072), (32, 8041199), (38, 6771536), (76, 3385768), (152, 1692884), (304, 846442), (608, 423221)]