81584828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{23417}}^1$

素因数の和:23501

約数の個数: 24

約数和(自身を含む): 156057552

約数和(自身を除く): 74472724

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 23417, 46834, 93668, 304421, 608842, 1217684, 1568939, 3137878, 6275756, 20396207, 40792414, 81584828]

約数ペア:

[(1, 81584828), (2, 40792414), (4, 20396207), (13, 6275756), (26, 3137878), (52, 1568939), (67, 1217684), (134, 608842), (268, 304421), (871, 93668), (1742, 46834), (3484, 23417)]