400427768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{3850267}}^1$

素因数の和:3850286

約数の個数: 16

約数和(自身を含む): 808556280

約数和(自身を除く): 408128512

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 3850267, 7700534, 15401068, 30802136, 50053471, 100106942, 200213884, 400427768]

約数ペア:

[(1, 400427768), (2, 200213884), (4, 100106942), (8, 50053471), (13, 30802136), (26, 15401068), (52, 7700534), (104, 3850267)]