247993889

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{75401}}^1$

素因数の和:75448

約数の個数: 16

約数和(自身を含む): 304020864

約数和(自身を除く): 56026975

約数列:

[1, 11, 13, 23, 143, 253, 299, 3289, 75401, 829411, 980213, 1734223, 10782343, 19076453, 22544899, 247993889]

約数ペア:

[(1, 247993889), (11, 22544899), (13, 19076453), (23, 10782343), (143, 1734223), (253, 980213), (299, 829411), (3289, 75401)]