42004456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{403889}}^1$

素因数の和:403908

約数の個数: 16

約数和(自身を含む): 84816900

約数和(自身を除く): 42812444

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 403889, 807778, 1615556, 3231112, 5250557, 10501114, 21002228, 42004456]

約数ペア:

[(1, 42004456), (2, 21002228), (4, 10501114), (8, 5250557), (13, 3231112), (26, 1615556), (52, 807778), (104, 403889)]