213566257

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{1291}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 233304192

約数和(自身を除く): 19737935

約数列:

[1, 17, 37, 263, 629, 1291, 4471, 9731, 21947, 47767, 165427, 339533, 812039, 5772061, 12562721, 213566257]

約数ペア:

[(1, 213566257), (17, 12562721), (37, 5772061), (263, 812039), (629, 339533), (1291, 165427), (4471, 47767), (9731, 21947)]