7641985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1428

約数の個数: 16

約数和(自身を含む): 9994320

約数和(自身を除く): 2352335

約数列:

[1, 5, 13, 65, 89, 445, 1157, 1321, 5785, 6605, 17173, 85865, 117569, 587845, 1528397, 7641985]

約数ペア:

[(1, 7641985), (5, 1528397), (13, 587845), (65, 117569), (89, 85865), (445, 17173), (1157, 6605), (1321, 5785)]