253993753

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{8389}}^1$

素因数の和:8556

約数の個数: 16

約数和(自身を含む): 291770640

約数和(自身を除く): 37776887

約数列:

[1, 13, 17, 137, 221, 1781, 2329, 8389, 30277, 109057, 142613, 1149293, 1853969, 14940809, 19537981, 253993753]

約数ペア:

[(1, 253993753), (13, 19537981), (17, 14940809), (137, 1853969), (221, 1149293), (1781, 142613), (2329, 109057), (8389, 30277)]