14971523749

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:787

約数の個数: 72

約数和(自身を含む): 19933966584

約数和(自身を除く): 4962442835

約数列:

[1, 7, 13, 31, 37, 49, 91, 217, 259, 403, 481, 637, 661, 961, 1147, 1519, 1813, 2821, 3367, 4627, 6727, 8029, 8593, 12493, 14911, 19747, 20491, 23569, 24457, 32389, 35557, 47089, 56203, 60151, 87451, 104377, 143437, 171199, 248899, 266383, 317941, 421057, 462241, 612157, 635221, 730639, 758167, 1004059, 1198393, 1742293, 1864681, 2225587, 3235687, 4446547, 5307169, 8257873, 9856171, 13052767, 15579109, 22649809, 23503177, 31125829, 37150183, 57805111, 68993197, 164522239, 305541301, 404635777, 482952379, 1151655673, 2138789107, 14971523749]

約数ペア:

[(1, 14971523749), (7, 2138789107), (13, 1151655673), (31, 482952379), (37, 404635777), (49, 305541301), (91, 164522239), (217, 68993197), (259, 57805111), (403, 37150183), (481, 31125829), (637, 23503177), (661, 22649809), (961, 15579109), (1147, 13052767), (1519, 9856171), (1813, 8257873), (2821, 5307169), (3367, 4446547), (4627, 3235687), (6727, 2225587), (8029, 1864681), (8593, 1742293), (12493, 1198393), (14911, 1004059), (19747, 758167), (20491, 730639), (23569, 635221), (24457, 612157), (32389, 462241), (35557, 421057), (47089, 317941), (56203, 266383), (60151, 248899), (87451, 171199), (104377, 143437)]