42890674

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 68584320

約数和(自身を除く): 25693646

約数列:

[1, 2, 41, 53, 71, 82, 106, 139, 142, 278, 2173, 2911, 3763, 4346, 5699, 5822, 7367, 7526, 9869, 11398, 14734, 19738, 154283, 302047, 308566, 404629, 523057, 604094, 809258, 1046114, 21445337, 42890674]

約数ペア:

[(1, 42890674), (2, 21445337), (41, 1046114), (53, 809258), (71, 604094), (82, 523057), (106, 404629), (139, 308566), (142, 302047), (278, 154283), (2173, 19738), (2911, 14734), (3763, 11398), (4346, 9869), (5699, 7526), (5822, 7367)]