31306210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{857}}^1$

素因数の和:1158

約数の個数: 32

約数和(自身を含む): 60972912

約数和(自身を除く): 29666702

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 281, 562, 857, 1405, 1714, 2810, 3653, 4285, 7306, 8570, 11141, 18265, 22282, 36530, 55705, 111410, 240817, 481634, 1204085, 2408170, 3130621, 6261242, 15653105, 31306210]

約数ペア:

[(1, 31306210), (2, 15653105), (5, 6261242), (10, 3130621), (13, 2408170), (26, 1204085), (65, 481634), (130, 240817), (281, 111410), (562, 55705), (857, 36530), (1405, 22282), (1714, 18265), (2810, 11141), (3653, 8570), (4285, 7306)]