81666814

素因数分解:

$2^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1\times {\mathrm{457}}^1$

素因数の和:1107

約数の個数: 16

約数和(自身を含む): 123660000

約数和(自身を除く): 41993186

約数列:

[1, 2, 199, 398, 449, 457, 898, 914, 89351, 90943, 178702, 181886, 205193, 410386, 40833407, 81666814]

約数ペア:

[(1, 81666814), (2, 40833407), (199, 410386), (398, 205193), (449, 181886), (457, 178702), (898, 90943), (914, 89351)]