16053919

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 19592496

約数和(自身を除く): 3538577

約数列:

[1, 7, 41, 49, 61, 131, 287, 427, 917, 2009, 2501, 2989, 5371, 6419, 7991, 17507, 37597, 55937, 122549, 263179, 327631, 391559, 2293417, 16053919]

約数ペア:

[(1, 16053919), (7, 2293417), (41, 391559), (49, 327631), (61, 263179), (131, 122549), (287, 55937), (427, 37597), (917, 17507), (2009, 7991), (2501, 6419), (2989, 5371)]