257510734

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{31643}}^1$

素因数の和:31971

約数の個数: 16

約数和(自身を含む): 417321072

約数和(自身を除く): 159810338

約数列:

[1, 2, 13, 26, 313, 626, 4069, 8138, 31643, 63286, 411359, 822718, 9904259, 19808518, 128755367, 257510734]

約数ペア:

[(1, 257510734), (2, 128755367), (13, 19808518), (26, 9904259), (313, 822718), (626, 411359), (4069, 63286), (8138, 31643)]