66916790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{307}}^2$

素因数の和:692

約数の個数: 24

約数和(自身を含む): 122545872

約数和(自身を除く): 55629082

約数列:

[1, 2, 5, 10, 71, 142, 307, 355, 614, 710, 1535, 3070, 21797, 43594, 94249, 108985, 188498, 217970, 471245, 942490, 6691679, 13383358, 33458395, 66916790]

約数ペア:

[(1, 66916790), (2, 33458395), (5, 13383358), (10, 6691679), (71, 942490), (142, 471245), (307, 217970), (355, 188498), (614, 108985), (710, 94249), (1535, 43594), (3070, 21797)]