12821486288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{81001}}^1$

素因数の和:81783

約数の個数: 40

約数和(自身を含む): 26788009416

約数和(自身を除く): 13966523128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 761, 1522, 3044, 6088, 9893, 12176, 19786, 39572, 79144, 81001, 158288, 162002, 324004, 648008, 1053013, 1296016, 2106026, 4212052, 8424104, 16848208, 61641761, 123283522, 246567044, 493134088, 801342893, 986268176, 1602685786, 3205371572, 6410743144, 12821486288]

約数ペア:

[(1, 12821486288), (2, 6410743144), (4, 3205371572), (8, 1602685786), (13, 986268176), (16, 801342893), (26, 493134088), (52, 246567044), (104, 123283522), (208, 61641761), (761, 16848208), (1522, 8424104), (3044, 4212052), (6088, 2106026), (9893, 1296016), (12176, 1053013), (19786, 648008), (39572, 324004), (79144, 162002), (81001, 158288)]