261957254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{325009}}^1$

素因数の和:325055

約数の個数: 16

約数和(自身を含む): 436813440

約数和(自身を除く): 174856186

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 325009, 650018, 4225117, 8450234, 10075279, 20150558, 130978627, 261957254]

約数ペア:

[(1, 261957254), (2, 130978627), (13, 20150558), (26, 10075279), (31, 8450234), (62, 4225117), (403, 650018), (806, 325009)]