128972452

素因数分解:

$2^2\times 7^1\times {\mathrm{1049}}^1\times {\mathrm{4391}}^1$

素因数の和:5451

約数の個数: 24

約数和(自身を含む): 258249600

約数和(自身を除く): 129277148

約数列:

[1, 2, 4, 7, 14, 28, 1049, 2098, 4196, 4391, 7343, 8782, 14686, 17564, 29372, 30737, 61474, 122948, 4606159, 9212318, 18424636, 32243113, 64486226, 128972452]

約数ペア:

[(1, 128972452), (2, 64486226), (4, 32243113), (7, 18424636), (14, 9212318), (28, 4606159), (1049, 122948), (2098, 61474), (4196, 30737), (4391, 29372), (7343, 17564), (8782, 14686)]