164067865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 218405376

約数和(自身を除く): 54337511

約数列:

[1, 5, 13, 65, 71, 73, 355, 365, 487, 923, 949, 2435, 4615, 4745, 5183, 6331, 25915, 31655, 34577, 35551, 67379, 172885, 177755, 336895, 449501, 462163, 2247505, 2310815, 2524121, 12620605, 32813573, 164067865]

約数ペア:

[(1, 164067865), (5, 32813573), (13, 12620605), (65, 2524121), (71, 2310815), (73, 2247505), (355, 462163), (365, 449501), (487, 336895), (923, 177755), (949, 172885), (2435, 67379), (4615, 35551), (4745, 34577), (5183, 31655), (6331, 25915)]