221287928

素因数分解:

$2^3\times {\mathrm{839}}^1\times {\mathrm{32969}}^1$

素因数の和:33814

約数の個数: 16

約数和(自身を含む): 415422000

約数和(自身を除く): 194134072

約数列:

[1, 2, 4, 8, 839, 1678, 3356, 6712, 32969, 65938, 131876, 263752, 27660991, 55321982, 110643964, 221287928]

約数ペア:

[(1, 221287928), (2, 110643964), (4, 55321982), (8, 27660991), (839, 263752), (1678, 131876), (3356, 65938), (6712, 32969)]