161386780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{474667}}^1$

素因数の和:474693

約数の個数: 24

約数和(自身を含む): 358849008

約数和(自身を除く): 197462228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 474667, 949334, 1898668, 2373335, 4746670, 8069339, 9493340, 16138678, 32277356, 40346695, 80693390, 161386780]

約数ペア:

[(1, 161386780), (2, 80693390), (4, 40346695), (5, 32277356), (10, 16138678), (17, 9493340), (20, 8069339), (34, 4746670), (68, 2373335), (85, 1898668), (170, 949334), (340, 474667)]