78884144

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{27239}}^1$

素因数の和:27428

約数の個数: 20

約数和(自身を含む): 153688080

約数和(自身を除く): 74803936

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 27239, 54478, 108956, 217912, 435824, 4930259, 9860518, 19721036, 39442072, 78884144]

約数ペア:

[(1, 78884144), (2, 39442072), (4, 19721036), (8, 9860518), (16, 4930259), (181, 435824), (362, 217912), (724, 108956), (1448, 54478), (2896, 27239)]