1388578

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:389

約数の個数: 16

約数和(自身を含む): 2187000

約数和(自身を除く): 798422

約数列:

[1, 2, 29, 58, 89, 178, 269, 538, 2581, 5162, 7801, 15602, 23941, 47882, 694289, 1388578]

約数ペア:

[(1, 1388578), (2, 694289), (29, 47882), (58, 23941), (89, 15602), (178, 7801), (269, 5162), (538, 2581)]