64971284

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{17713}}^1$

素因数の和:17855

約数の個数: 24

約数和(自身を含む): 130941888

約数和(自身を除く): 65970604

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 17713, 35426, 70852, 123991, 247982, 495964, 2320403, 4640806, 9281612, 16242821, 32485642, 64971284]

約数ペア:

[(1, 64971284), (2, 32485642), (4, 16242821), (7, 9281612), (14, 4640806), (28, 2320403), (131, 495964), (262, 247982), (524, 123991), (917, 70852), (1834, 35426), (3668, 17713)]