28284784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{160709}}^1$

素因数の和:160728

約数の個数: 20

約数和(自身を含む): 59784120

約数和(自身を除く): 31499336

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 160709, 321418, 642836, 1285672, 1767799, 2571344, 3535598, 7071196, 14142392, 28284784]

約数ペア:

[(1, 28284784), (2, 14142392), (4, 7071196), (8, 3535598), (11, 2571344), (16, 1767799), (22, 1285672), (44, 642836), (88, 321418), (176, 160709)]