28381871

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{677}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 33390144

約数和(自身を除く): 5008273

約数列:

[1, 7, 53, 113, 371, 677, 791, 4739, 5989, 35881, 41923, 76501, 251167, 535507, 4054553, 28381871]

約数ペア:

[(1, 28381871), (7, 4054553), (53, 535507), (113, 251167), (371, 76501), (677, 41923), (791, 35881), (4739, 5989)]