28891788

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{18379}}^1$

素因数の和:18517

約数の個数: 24

約数和(自身を含む): 67932480

約数和(自身を除く): 39040692

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 18379, 36758, 55137, 73516, 110274, 220548, 2407649, 4815298, 7222947, 9630596, 14445894, 28891788]

約数ペア:

[(1, 28891788), (2, 14445894), (3, 9630596), (4, 7222947), (6, 4815298), (12, 2407649), (131, 220548), (262, 110274), (393, 73516), (524, 55137), (786, 36758), (1572, 18379)]