1991736590

素因数分解:

$2^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1\times {\mathrm{1787}}^1$

素因数の和:2512

約数の個数: 32

約数和(自身を含む): 3610272384

約数和(自身を除く): 1618535794

約数列:

[1, 2, 5, 10, 227, 454, 491, 982, 1135, 1787, 2270, 2455, 3574, 4910, 8935, 17870, 111457, 222914, 405649, 557285, 811298, 877417, 1114570, 1754834, 2028245, 4056490, 4387085, 8774170, 199173659, 398347318, 995868295, 1991736590]

約数ペア:

[(1, 1991736590), (2, 995868295), (5, 398347318), (10, 199173659), (227, 8774170), (454, 4387085), (491, 4056490), (982, 2028245), (1135, 1754834), (1787, 1114570), (2270, 877417), (2455, 811298), (3574, 557285), (4910, 405649), (8935, 222914), (17870, 111457)]