81431066

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{3491}}^1$

素因数の和:3709

約数の個数: 16

約数和(自身を含む): 124454880

約数和(自身を除く): 43023814

約数列:

[1, 2, 107, 109, 214, 218, 3491, 6982, 11663, 23326, 373537, 380519, 747074, 761038, 40715533, 81431066]

約数ペア:

[(1, 81431066), (2, 40715533), (107, 761038), (109, 747074), (214, 380519), (218, 373537), (3491, 23326), (6982, 11663)]