257776334

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1\times {\mathrm{2029}}^1$

素因数の和:2627

約数の個数: 16

約数和(自身を含む): 390490800

約数和(自身を除く): 132714466

約数列:

[1, 2, 139, 278, 457, 914, 2029, 4058, 63523, 127046, 282031, 564062, 927253, 1854506, 128888167, 257776334]

約数ペア:

[(1, 257776334), (2, 128888167), (139, 1854506), (278, 927253), (457, 564062), (914, 282031), (2029, 127046), (4058, 63523)]