1257095147

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{21397}}^1$

素因数の和:21531

約数の個数: 24

約数和(自身を含む): 1609985520

約数和(自身を除く): 352890373

約数列:

[1, 7, 11, 49, 77, 109, 539, 763, 1199, 5341, 8393, 21397, 58751, 149779, 235367, 1048453, 1647569, 2332273, 11532983, 16325911, 25655003, 114281377, 179585021, 1257095147]

約数ペア:

[(1, 1257095147), (7, 179585021), (11, 114281377), (49, 25655003), (77, 16325911), (109, 11532983), (539, 2332273), (763, 1647569), (1199, 1048453), (5341, 235367), (8393, 149779), (21397, 58751)]