641411005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{859}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 828241920

約数和(自身を除く): 186830915

約数列:

[1, 5, 23, 43, 115, 151, 215, 755, 859, 989, 3473, 4295, 4945, 6493, 17365, 19757, 32465, 36937, 98785, 129709, 149339, 184685, 648545, 746695, 849551, 2983307, 4247755, 5577487, 14916535, 27887435, 128282201, 641411005]

約数ペア:

[(1, 641411005), (5, 128282201), (23, 27887435), (43, 14916535), (115, 5577487), (151, 4247755), (215, 2983307), (755, 849551), (859, 746695), (989, 648545), (3473, 184685), (4295, 149339), (4945, 129709), (6493, 98785), (17365, 36937), (19757, 32465)]