129280336

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{44641}}^1$

素因数の和:44830

約数の個数: 20

約数和(自身を含む): 251870164

約数和(自身を除く): 122589828

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 44641, 89282, 178564, 357128, 714256, 8080021, 16160042, 32320084, 64640168, 129280336]

約数ペア:

[(1, 129280336), (2, 64640168), (4, 32320084), (8, 16160042), (16, 8080021), (181, 714256), (362, 357128), (724, 178564), (1448, 89282), (2896, 44641)]