13400401

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1669}}^1$

素因数の和:1744

約数の個数: 16

約数和(自身を含む): 16245760

約数和(自身を除く): 2845359

約数列:

[1, 7, 31, 37, 217, 259, 1147, 1669, 8029, 11683, 51739, 61753, 362173, 432271, 1914343, 13400401]

約数ペア:

[(1, 13400401), (7, 1914343), (31, 432271), (37, 362173), (217, 61753), (259, 51739), (1147, 11683), (1669, 8029)]