56371021

素因数分解:

$7^3\times {\mathrm{149}}^1\times {\mathrm{1103}}^1$

素因数の和:1273

約数の個数: 16

約数和(自身を含む): 66240000

約数和(自身を除く): 9868979

約数列:

[1, 7, 49, 149, 343, 1043, 1103, 7301, 7721, 51107, 54047, 164347, 378329, 1150429, 8053003, 56371021]

約数ペア:

[(1, 56371021), (7, 8053003), (49, 1150429), (149, 378329), (343, 164347), (1043, 54047), (1103, 51107), (7301, 7721)]