31203978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{400051}}^1$

素因数の和:400069

約数の個数: 16

約数和(自身を含む): 67208736

約数和(自身を除く): 36004758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 400051, 800102, 1200153, 2400306, 5200663, 10401326, 15601989, 31203978]

約数ペア:

[(1, 31203978), (2, 15601989), (3, 10401326), (6, 5200663), (13, 2400306), (26, 1200153), (39, 800102), (78, 400051)]