28380972

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{33311}}^1$

素因数の和:33389

約数の個数: 24

約数和(自身を含む): 67156992

約数和(自身を除く): 38776020

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 33311, 66622, 99933, 133244, 199866, 399732, 2365081, 4730162, 7095243, 9460324, 14190486, 28380972]

約数ペア:

[(1, 28380972), (2, 14190486), (3, 9460324), (4, 7095243), (6, 4730162), (12, 2365081), (71, 399732), (142, 199866), (213, 133244), (284, 99933), (426, 66622), (852, 33311)]