78752144

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{120049}}^1$

素因数の和:120098

約数の個数: 20

約数和(自身を含む): 156305100

約数和(自身を除く): 77552956

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 120049, 240098, 480196, 960392, 1920784, 4922009, 9844018, 19688036, 39376072, 78752144]

約数ペア:

[(1, 78752144), (2, 39376072), (4, 19688036), (8, 9844018), (16, 4922009), (41, 1920784), (82, 960392), (164, 480196), (328, 240098), (656, 120049)]