261258503

素因数分解:

${\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{1129}}^1$

素因数の和:1442

約数の個数: 16

約数和(自身を含む): 289370400

約数和(自身を除く): 28111897

約数列:

[1, 11, 109, 193, 1129, 1199, 2123, 12419, 21037, 123061, 217897, 231407, 1353671, 2396867, 23750773, 261258503]

約数ペア:

[(1, 261258503), (11, 23750773), (109, 2396867), (193, 1353671), (1129, 231407), (1199, 217897), (2123, 123061), (12419, 21037)]