1991570506

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{816887}}^1$

素因数の和:816965

約数の個数: 16

約数和(自身を含む): 3176060544

約数和(自身を除く): 1184490038

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 816887, 1633774, 18788401, 37576802, 43295011, 86590022, 995785253, 1991570506]

約数ペア:

[(1, 1991570506), (2, 995785253), (23, 86590022), (46, 43295011), (53, 37576802), (106, 18788401), (1219, 1633774), (2438, 816887)]