278506172

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{25439}}^1$

素因数の和:25490

約数の個数: 48

約数和(自身を含む): 615444480

約数和(自身を除く): 336938308

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 238, 322, 391, 476, 644, 782, 1564, 2737, 5474, 10948, 25439, 50878, 101756, 178073, 356146, 432463, 585097, 712292, 864926, 1170194, 1729852, 2340388, 3027241, 4095679, 6054482, 8191358, 9946649, 12108964, 16382716, 19893298, 39786596, 69626543, 139253086, 278506172]

約数ペア:

[(1, 278506172), (2, 139253086), (4, 69626543), (7, 39786596), (14, 19893298), (17, 16382716), (23, 12108964), (28, 9946649), (34, 8191358), (46, 6054482), (68, 4095679), (92, 3027241), (119, 2340388), (161, 1729852), (238, 1170194), (322, 864926), (391, 712292), (476, 585097), (644, 432463), (782, 356146), (1564, 178073), (2737, 101756), (5474, 50878), (10948, 25439)]