16521298981

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{258109}}^1$

素因数の和:258177

約数の個数: 18

約数和(自身を含む): 18983732390

約数和(自身を除く): 2462433409

約数列:

[1, 11, 23, 121, 253, 529, 2783, 5819, 64009, 258109, 2839199, 5936507, 31231189, 65301577, 136539661, 718317347, 1501936271, 16521298981]

約数ペア:

[(1, 16521298981), (11, 1501936271), (23, 718317347), (121, 136539661), (253, 65301577), (529, 31231189), (2783, 5936507), (5819, 2839199), (64009, 258109)]