290768401

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3881}}^1$

素因数の和:4045

約数の個数: 24

約数和(自身を含む): 371740320

約数和(自身を除く): 80971919

約数列:

[1, 7, 11, 49, 77, 139, 539, 973, 1529, 3881, 6811, 10703, 27167, 42691, 74921, 190169, 298837, 539459, 2091859, 3776213, 5934049, 26433491, 41538343, 290768401]

約数ペア:

[(1, 290768401), (7, 41538343), (11, 26433491), (49, 5934049), (77, 3776213), (139, 2091859), (539, 539459), (973, 298837), (1529, 190169), (3881, 74921), (6811, 42691), (10703, 27167)]