131512210

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{100391}}^1$

素因数の和:100529

約数の個数: 16

約数和(自身を含む): 238531392

約数和(自身を除く): 107019182

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 100391, 200782, 501955, 1003910, 13151221, 26302442, 65756105, 131512210]

約数ペア:

[(1, 131512210), (2, 65756105), (5, 26302442), (10, 13151221), (131, 1003910), (262, 501955), (655, 200782), (1310, 100391)]