261902883454

素因数分解:

$2^1\times {\mathrm{661}}^1\times {\mathrm{8363}}^1\times {\mathrm{23689}}^1$

素因数の和:32715

約数の個数: 16

約数和(自身を含む): 393512315760

約数和(自身を除く): 131609432306

約数列:

[1, 2, 661, 1322, 8363, 16726, 23689, 47378, 5527943, 11055886, 15658429, 31316858, 198111107, 396222214, 130951441727, 261902883454]

約数ペア:

[(1, 261902883454), (2, 130951441727), (661, 396222214), (1322, 198111107), (8363, 31316858), (16726, 15658429), (23689, 11055886), (47378, 5527943)]