2021170088

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{259657}}^1$

素因数の和:259809

約数の個数: 32

約数和(自身を含む): 4362254400

約数和(自身を除く): 2341084312

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 7784, 259657, 519314, 1038628, 1817599, 2077256, 3635198, 7270396, 14540792, 36092323, 72184646, 144369292, 252646261, 288738584, 505292522, 1010585044, 2021170088]

約数ペア:

[(1, 2021170088), (2, 1010585044), (4, 505292522), (7, 288738584), (8, 252646261), (14, 144369292), (28, 72184646), (56, 36092323), (139, 14540792), (278, 7270396), (556, 3635198), (973, 2077256), (1112, 1817599), (1946, 1038628), (3892, 519314), (7784, 259657)]