1981143358

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{1187}}^1\times {\mathrm{6571}}^1$

素因数の和:7887

約数の個数: 16

約数和(自身を含む): 2998093824

約数和(自身を除く): 1016950466

約数列:

[1, 2, 127, 254, 1187, 2374, 6571, 13142, 150749, 301498, 834517, 1669034, 7799777, 15599554, 990571679, 1981143358]

約数ペア:

[(1, 1981143358), (2, 990571679), (127, 15599554), (254, 7799777), (1187, 1669034), (2374, 834517), (6571, 301498), (13142, 150749)]