81591952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{392269}}^1$

素因数の和:392290

約数の個数: 20

約数和(自身を含む): 170245180

約数和(自身を除く): 88653228

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 392269, 784538, 1569076, 3138152, 5099497, 6276304, 10198994, 20397988, 40795976, 81591952]

約数ペア:

[(1, 81591952), (2, 40795976), (4, 20397988), (8, 10198994), (13, 6276304), (16, 5099497), (26, 3138152), (52, 1569076), (104, 784538), (208, 392269)]