28100401

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 32886784

約数和(自身を除く): 4786383

約数列:

[1, 7, 73, 127, 433, 511, 889, 3031, 9271, 31609, 54991, 64897, 221263, 384937, 4014343, 28100401]

約数ペア:

[(1, 28100401), (7, 4014343), (73, 384937), (127, 221263), (433, 64897), (511, 54991), (889, 31609), (3031, 9271)]