28888727

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1409}}^1$

素因数の和:1546

約数の個数: 16

約数和(自身を含む): 34516800

約数和(自身を除く): 5628073

約数列:

[1, 7, 29, 101, 203, 707, 1409, 2929, 9863, 20503, 40861, 142309, 286027, 996163, 4126961, 28888727]

約数ペア:

[(1, 28888727), (7, 4126961), (29, 996163), (101, 286027), (203, 142309), (707, 40861), (1409, 20503), (2929, 9863)]