81021444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{8849}}^1$

素因数の和:8972

約数の個数: 48

約数和(自身を含む): 218064000

約数和(自身を除く): 137042556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 109, 218, 327, 436, 654, 763, 1308, 1526, 2289, 3052, 4578, 8849, 9156, 17698, 26547, 35396, 53094, 61943, 106188, 123886, 185829, 247772, 371658, 743316, 964541, 1929082, 2893623, 3858164, 5787246, 6751787, 11574492, 13503574, 20255361, 27007148, 40510722, 81021444]

約数ペア:

[(1, 81021444), (2, 40510722), (3, 27007148), (4, 20255361), (6, 13503574), (7, 11574492), (12, 6751787), (14, 5787246), (21, 3858164), (28, 2893623), (42, 1929082), (84, 964541), (109, 743316), (218, 371658), (327, 247772), (436, 185829), (654, 123886), (763, 106188), (1308, 61943), (1526, 53094), (2289, 35396), (3052, 26547), (4578, 17698), (8849, 9156)]