84890404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{2731}}^1$

素因数の和:3163

約数の個数: 24

約数和(自身を含む): 156816800

約数和(自身を除く): 71926396

約数列:

[1, 2, 4, 19, 38, 76, 409, 818, 1636, 2731, 5462, 7771, 10924, 15542, 31084, 51889, 103778, 207556, 1116979, 2233958, 4467916, 21222601, 42445202, 84890404]

約数ペア:

[(1, 84890404), (2, 42445202), (4, 21222601), (19, 4467916), (38, 2233958), (76, 1116979), (409, 207556), (818, 103778), (1636, 51889), (2731, 31084), (5462, 15542), (7771, 10924)]