12991984

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{5927}}^1$

素因数の和:6072

約数の個数: 20

約数和(自身を含む): 25359984

約数和(自身を除く): 12368000

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 5927, 11854, 23708, 47416, 94832, 811999, 1623998, 3247996, 6495992, 12991984]

約数ペア:

[(1, 12991984), (2, 6495992), (4, 3247996), (8, 1623998), (16, 811999), (137, 94832), (274, 47416), (548, 23708), (1096, 11854), (2192, 5927)]