12977978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{809}}^1$

素因数の和:1441

約数の個数: 16

約数和(自身を含む): 21024360

約数和(自身を除く): 8046382

約数列:

[1, 2, 13, 26, 617, 809, 1234, 1618, 8021, 10517, 16042, 21034, 499153, 998306, 6488989, 12977978]

約数ペア:

[(1, 12977978), (2, 6488989), (13, 998306), (26, 499153), (617, 21034), (809, 16042), (1234, 10517), (1618, 8021)]