39891404

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{26881}}^1$

素因数の和:26945

約数の個数: 24

約数和(自身を含む): 81291168

約数和(自身を除く): 41399764

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 26881, 53762, 107524, 188167, 376334, 752668, 1424693, 2849386, 5698772, 9972851, 19945702, 39891404]

約数ペア:

[(1, 39891404), (2, 19945702), (4, 9972851), (7, 5698772), (14, 2849386), (28, 1424693), (53, 752668), (106, 376334), (212, 188167), (371, 107524), (742, 53762), (1484, 26881)]