81444356

素因数分解:

$2^2\times 7^1\times {\mathrm{727}}^1\times {\mathrm{4001}}^1$

素因数の和:4739

約数の個数: 24

約数和(自身を含む): 163153536

約数和(自身を除く): 81709180

約数列:

[1, 2, 4, 7, 14, 28, 727, 1454, 2908, 4001, 5089, 8002, 10178, 16004, 20356, 28007, 56014, 112028, 2908727, 5817454, 11634908, 20361089, 40722178, 81444356]

約数ペア:

[(1, 81444356), (2, 40722178), (4, 20361089), (7, 11634908), (14, 5817454), (28, 2908727), (727, 112028), (1454, 56014), (2908, 28007), (4001, 20356), (5089, 16004), (8002, 10178)]