128405585

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1693}}^1$

素因数の和:1913

約数の個数: 32

約数和(自身を含む): 193197312

約数和(自身を除く): 64791727

約数列:

[1, 5, 7, 11, 35, 55, 77, 197, 385, 985, 1379, 1693, 2167, 6895, 8465, 10835, 11851, 15169, 18623, 59255, 75845, 93115, 130361, 333521, 651805, 1667605, 2334647, 3668731, 11673235, 18343655, 25681117, 128405585]

約数ペア:

[(1, 128405585), (5, 25681117), (7, 18343655), (11, 11673235), (35, 3668731), (55, 2334647), (77, 1667605), (197, 651805), (385, 333521), (985, 130361), (1379, 93115), (1693, 75845), (2167, 59255), (6895, 18623), (8465, 15169), (10835, 11851)]