208545828

素因数分解:

$2^2\times 3^1\times {\mathrm{409}}^1\times {\mathrm{42491}}^1$

素因数の和:42907

約数の個数: 24

約数和(自身を含む): 487808160

約数和(自身を除く): 279262332

約数列:

[1, 2, 3, 4, 6, 12, 409, 818, 1227, 1636, 2454, 4908, 42491, 84982, 127473, 169964, 254946, 509892, 17378819, 34757638, 52136457, 69515276, 104272914, 208545828]

約数ペア:

[(1, 208545828), (2, 104272914), (3, 69515276), (4, 52136457), (6, 34757638), (12, 17378819), (409, 509892), (818, 254946), (1227, 169964), (1636, 127473), (2454, 84982), (4908, 42491)]