128274666

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1644547}}^1$

素因数の和:1644565

約数の個数: 16

約数和(自身を含む): 276284064

約数和(自身を除く): 148009398

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1644547, 3289094, 4933641, 9867282, 21379111, 42758222, 64137333, 128274666]

約数ペア:

[(1, 128274666), (2, 64137333), (3, 42758222), (6, 21379111), (13, 9867282), (26, 4933641), (39, 3289094), (78, 1644547)]