189901985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{24551}}^1$

素因数の和:24593

約数の個数: 32

約数和(自身を含む): 296980992

約数和(自身を除く): 107079007

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 7735, 24551, 122755, 171857, 319163, 417367, 859285, 1595815, 2086835, 2234141, 2921569, 5425771, 11170705, 14607845, 27128855, 37980397, 189901985]

約数ペア:

[(1, 189901985), (5, 37980397), (7, 27128855), (13, 14607845), (17, 11170705), (35, 5425771), (65, 2921569), (85, 2234141), (91, 2086835), (119, 1595815), (221, 859285), (455, 417367), (595, 319163), (1105, 171857), (1547, 122755), (7735, 24551)]