28405926

素因数分解:

$2^1\times 3^2\times {\mathrm{1109}}^1\times {\mathrm{1423}}^1$

素因数の和:2540

約数の個数: 24

約数和(自身を含む): 61644960

約数和(自身を除く): 33239034

約数列:

[1, 2, 3, 6, 9, 18, 1109, 1423, 2218, 2846, 3327, 4269, 6654, 8538, 9981, 12807, 19962, 25614, 1578107, 3156214, 4734321, 9468642, 14202963, 28405926]

約数ペア:

[(1, 28405926), (2, 14202963), (3, 9468642), (6, 4734321), (9, 3156214), (18, 1578107), (1109, 25614), (1423, 19962), (2218, 12807), (2846, 9981), (3327, 8538), (4269, 6654)]