161720894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{10613}}^1$

素因数の和:11035

約数の個数: 16

約数和(自身を含む): 256009680

約数和(自身を除く): 94288786

約数列:

[1, 2, 19, 38, 401, 802, 7619, 10613, 15238, 21226, 201647, 403294, 4255813, 8511626, 80860447, 161720894]

約数ペア:

[(1, 161720894), (2, 80860447), (19, 8511626), (38, 4255813), (401, 403294), (802, 201647), (7619, 21226), (10613, 15238)]