81591536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{392267}}^1$

素因数の和:392288

約数の個数: 20

約数和(自身を含む): 170244312

約数和(自身を除く): 88652776

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 392267, 784534, 1569068, 3138136, 5099471, 6276272, 10198942, 20397884, 40795768, 81591536]

約数ペア:

[(1, 81591536), (2, 40795768), (4, 20397884), (8, 10198942), (13, 6276272), (16, 5099471), (26, 3138136), (52, 1569068), (104, 784534), (208, 392267)]