12658415

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 48

約数和(自身を含む): 19790400

約数和(自身を除く): 7131985

約数列:

[1, 5, 7, 11, 35, 49, 55, 61, 77, 121, 245, 305, 343, 385, 427, 539, 605, 671, 847, 1715, 2135, 2695, 2989, 3355, 3773, 4235, 4697, 5929, 7381, 14945, 18865, 20923, 23485, 29645, 32879, 36905, 41503, 51667, 104615, 164395, 207515, 230153, 258335, 361669, 1150765, 1808345, 2531683, 12658415]

約数ペア:

[(1, 12658415), (5, 2531683), (7, 1808345), (11, 1150765), (35, 361669), (49, 258335), (55, 230153), (61, 207515), (77, 164395), (121, 104615), (245, 51667), (305, 41503), (343, 36905), (385, 32879), (427, 29645), (539, 23485), (605, 20923), (671, 18865), (847, 14945), (1715, 7381), (2135, 5929), (2695, 4697), (2989, 4235), (3355, 3773)]