28391396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{33961}}^1$

素因数の和:33995

約数の個数: 24

約数和(自身を含む): 57056160

約数和(自身を除く): 28664764

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 33961, 67922, 135844, 373571, 645259, 747142, 1290518, 1494284, 2581036, 7097849, 14195698, 28391396]

約数ペア:

[(1, 28391396), (2, 14195698), (4, 7097849), (11, 2581036), (19, 1494284), (22, 1290518), (38, 747142), (44, 645259), (76, 373571), (209, 135844), (418, 67922), (836, 33961)]