12996916

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 23566536

約数和(自身を除く): 10569620

約数列:

[1, 2, 4, 37, 74, 137, 148, 274, 548, 641, 1282, 2564, 5069, 10138, 20276, 23717, 47434, 87817, 94868, 175634, 351268, 3249229, 6498458, 12996916]

約数ペア:

[(1, 12996916), (2, 6498458), (4, 3249229), (37, 351268), (74, 175634), (137, 94868), (148, 87817), (274, 47434), (548, 23717), (641, 20276), (1282, 10138), (2564, 5069)]