117788575090

素因数分解:

$2^1\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{9137981}}^1$

素因数の和:9139277

約数の個数: 16

約数和(自身を含む): 212183942040

約数和(自身を除く): 94395366950

約数列:

[1, 2, 5, 10, 1289, 2578, 6445, 12890, 9137981, 18275962, 45689905, 91379810, 11778857509, 23557715018, 58894287545, 117788575090]

約数ペア:

[(1, 117788575090), (2, 58894287545), (5, 23557715018), (10, 11778857509), (1289, 91379810), (2578, 45689905), (6445, 18275962), (12890, 9137981)]