28415705

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{313}}^1$

素因数の和:656

約数の個数: 16

約数和(自身を含む): 34846464

約数和(自身を除く): 6430759

約数列:

[1, 5, 67, 271, 313, 335, 1355, 1565, 18157, 20971, 84823, 90785, 104855, 424115, 5683141, 28415705]

約数ペア:

[(1, 28415705), (5, 5683141), (67, 424115), (271, 104855), (313, 90785), (335, 84823), (1355, 20971), (1565, 18157)]