25839905

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:119

約数の個数: 64

約数和(自身を含む): 41664000

約数和(自身を除く): 15824095

約数列:

[1, 5, 7, 13, 19, 35, 49, 61, 65, 91, 95, 133, 245, 247, 305, 343, 427, 455, 637, 665, 793, 931, 1159, 1235, 1715, 1729, 2135, 2989, 3185, 3965, 4459, 4655, 5551, 5795, 6517, 8113, 8645, 12103, 14945, 15067, 20923, 22295, 27755, 32585, 38857, 40565, 56791, 60515, 75335, 84721, 104615, 105469, 194285, 271999, 283955, 397537, 423605, 527345, 738283, 1359995, 1987685, 3691415, 5167981, 25839905]

約数ペア:

[(1, 25839905), (5, 5167981), (7, 3691415), (13, 1987685), (19, 1359995), (35, 738283), (49, 527345), (61, 423605), (65, 397537), (91, 283955), (95, 271999), (133, 194285), (245, 105469), (247, 104615), (305, 84721), (343, 75335), (427, 60515), (455, 56791), (637, 40565), (665, 38857), (793, 32585), (931, 27755), (1159, 22295), (1235, 20923), (1715, 15067), (1729, 14945), (2135, 12103), (2989, 8645), (3185, 8113), (3965, 6517), (4459, 5795), (4655, 5551)]