66988714

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 111286224

約数和(自身を除く): 44297510

約数列:

[1, 2, 13, 26, 53, 106, 173, 281, 346, 562, 689, 1378, 2249, 3653, 4498, 7306, 9169, 14893, 18338, 29786, 48613, 97226, 119197, 193609, 238394, 387218, 631969, 1263938, 2576489, 5152978, 33494357, 66988714]

約数ペア:

[(1, 66988714), (2, 33494357), (13, 5152978), (26, 2576489), (53, 1263938), (106, 631969), (173, 387218), (281, 238394), (346, 193609), (562, 119197), (689, 97226), (1378, 48613), (2249, 29786), (3653, 18338), (4498, 14893), (7306, 9169)]