40386978

素因数分解:

$2^1\times 3^3\times {\mathrm{349}}^1\times {\mathrm{2143}}^1$

素因数の和:2503

約数の個数: 32

約数和(自身を含む): 90048000

約数和(自身を除く): 49661022

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 349, 698, 1047, 2094, 2143, 3141, 4286, 6282, 6429, 9423, 12858, 18846, 19287, 38574, 57861, 115722, 747907, 1495814, 2243721, 4487442, 6731163, 13462326, 20193489, 40386978]

約数ペア:

[(1, 40386978), (2, 20193489), (3, 13462326), (6, 6731163), (9, 4487442), (18, 2243721), (27, 1495814), (54, 747907), (349, 115722), (698, 57861), (1047, 38574), (2094, 19287), (2143, 18846), (3141, 12858), (4286, 9423), (6282, 6429)]