28147856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{159931}}^1$

素因数の和:159950

約数の個数: 20

約数和(自身を含む): 59494704

約数和(自身を除く): 31346848

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 159931, 319862, 639724, 1279448, 1759241, 2558896, 3518482, 7036964, 14073928, 28147856]

約数ペア:

[(1, 28147856), (2, 14073928), (4, 7036964), (8, 3518482), (11, 2558896), (16, 1759241), (22, 1279448), (44, 639724), (88, 319862), (176, 159931)]