31685264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{439}}^1$

素因数の和:807

約数の個数: 40

約数和(自身を含む): 66454080

約数和(自身を除く): 34768816

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 347, 439, 694, 878, 1388, 1756, 2776, 3512, 4511, 5552, 5707, 7024, 9022, 11414, 18044, 22828, 36088, 45656, 72176, 91312, 152333, 304666, 609332, 1218664, 1980329, 2437328, 3960658, 7921316, 15842632, 31685264]

約数ペア:

[(1, 31685264), (2, 15842632), (4, 7921316), (8, 3960658), (13, 2437328), (16, 1980329), (26, 1218664), (52, 609332), (104, 304666), (208, 152333), (347, 91312), (439, 72176), (694, 45656), (878, 36088), (1388, 22828), (1756, 18044), (2776, 11414), (3512, 9022), (4511, 7024), (5552, 5707)]