1293366515

素因数分解:

$5^1\times 7^2\times {\mathrm{1669}}^1\times {\mathrm{3163}}^1$

素因数の和:4851

約数の個数: 24

約数和(自身を含む): 1807086960

約数和(自身を除く): 513720445

約数列:

[1, 5, 7, 35, 49, 245, 1669, 3163, 8345, 11683, 15815, 22141, 58415, 81781, 110705, 154987, 408905, 774935, 5279047, 26395235, 36953329, 184766645, 258673303, 1293366515]

約数ペア:

[(1, 1293366515), (5, 258673303), (7, 184766645), (35, 36953329), (49, 26395235), (245, 5279047), (1669, 774935), (3163, 408905), (8345, 154987), (11683, 110705), (15815, 81781), (22141, 58415)]