64640708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^2\times {\mathrm{523}}^1$

素因数の和:644

約数の個数: 36

約数和(自身を含む): 126017808

約数和(自身を除く): 61377100

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 523, 583, 1046, 1166, 2092, 2332, 2809, 5618, 5753, 11236, 11506, 23012, 27719, 30899, 55438, 61798, 110876, 123596, 304909, 609818, 1219636, 1469107, 2938214, 5876428, 16160177, 32320354, 64640708]

約数ペア:

[(1, 64640708), (2, 32320354), (4, 16160177), (11, 5876428), (22, 2938214), (44, 1469107), (53, 1219636), (106, 609818), (212, 304909), (523, 123596), (583, 110876), (1046, 61798), (1166, 55438), (2092, 30899), (2332, 27719), (2809, 23012), (5618, 11506), (5753, 11236)]