16400605

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{1493}}^1$

素因数の和:1537

約数の個数: 16

約数和(自身を含む): 21334320

約数和(自身を除く): 4933715

約数列:

[1, 5, 13, 65, 169, 845, 1493, 2197, 7465, 10985, 19409, 97045, 252317, 1261585, 3280121, 16400605]

約数ペア:

[(1, 16400605), (5, 3280121), (13, 1261585), (65, 252317), (169, 97045), (845, 19409), (1493, 10985), (2197, 7465)]