16904167

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 21085440

約数和(自身を除く): 4181273

約数列:

[1, 7, 19, 49, 67, 133, 271, 469, 931, 1273, 1897, 3283, 5149, 8911, 13279, 18157, 36043, 62377, 127099, 252301, 344983, 889693, 2414881, 16904167]

約数ペア:

[(1, 16904167), (7, 2414881), (19, 889693), (49, 344983), (67, 252301), (133, 127099), (271, 62377), (469, 36043), (931, 18157), (1273, 13279), (1897, 8911), (3283, 5149)]