168278890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1294453}}^1$

素因数の和:1294473

約数の個数: 16

約数和(自身を含む): 326202408

約数和(自身を除く): 157923518

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1294453, 2588906, 6472265, 12944530, 16827889, 33655778, 84139445, 168278890]

約数ペア:

[(1, 168278890), (2, 84139445), (5, 33655778), (10, 16827889), (13, 12944530), (26, 6472265), (65, 2588906), (130, 1294453)]