66899312

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{10223}}^1$

素因数の和:10640

約数の個数: 20

約数和(自身を含む): 129947040

約数和(自身を除く): 63047728

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 10223, 20446, 40892, 81784, 163568, 4181207, 8362414, 16724828, 33449656, 66899312]

約数ペア:

[(1, 66899312), (2, 33449656), (4, 16724828), (8, 8362414), (16, 4181207), (409, 163568), (818, 81784), (1636, 40892), (3272, 20446), (6544, 10223)]