212905130

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{162523}}^1$

素因数の和:162661

約数の個数: 16

約数和(自身を含む): 386157024

約数和(自身を除く): 173251894

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 162523, 325046, 812615, 1625230, 21290513, 42581026, 106452565, 212905130]

約数ペア:

[(1, 212905130), (2, 106452565), (5, 42581026), (10, 21290513), (131, 1625230), (262, 812615), (655, 325046), (1310, 162523)]