66886384

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{220021}}^1$

素因数の和:220048

約数の個数: 20

約数和(自身を含む): 136413640

約数和(自身を除く): 69527256

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 220021, 440042, 880084, 1760168, 3520336, 4180399, 8360798, 16721596, 33443192, 66886384]

約数ペア:

[(1, 66886384), (2, 33443192), (4, 16721596), (8, 8360798), (16, 4180399), (19, 3520336), (38, 1760168), (76, 880084), (152, 440042), (304, 220021)]