221279288

素因数分解:

$2^3\times {\mathrm{1021}}^1\times {\mathrm{27091}}^1$

素因数の和:28118

約数の個数: 16

約数和(自身を含む): 415320360

約数和(自身を除く): 194041072

約数列:

[1, 2, 4, 8, 1021, 2042, 4084, 8168, 27091, 54182, 108364, 216728, 27659911, 55319822, 110639644, 221279288]

約数ペア:

[(1, 221279288), (2, 110639644), (4, 55319822), (8, 27659911), (1021, 216728), (2042, 108364), (4084, 54182), (8168, 27091)]