164408045

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 213262080

約数和(自身を除く): 48854035

約数列:

[1, 5, 19, 73, 95, 151, 157, 365, 755, 785, 1387, 2869, 2983, 6935, 11023, 11461, 14345, 14915, 23707, 55115, 57305, 118535, 209437, 217759, 450433, 1047185, 1088795, 1730611, 2252165, 8653055, 32881609, 164408045]

約数ペア:

[(1, 164408045), (5, 32881609), (19, 8653055), (73, 2252165), (95, 1730611), (151, 1088795), (157, 1047185), (365, 450433), (755, 217759), (785, 209437), (1387, 118535), (2869, 57305), (2983, 55115), (6935, 23707), (11023, 14915), (11461, 14345)]