7220825871

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1\times {\mathrm{1277}}^1$

素因数の和:1688

約数の個数: 64

約数和(自身を含む): 11942940672

約数和(自身を除く): 4722114801

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 337, 357, 799, 987, 1011, 1277, 2359, 2397, 3831, 5593, 5729, 7077, 8939, 15839, 16779, 17187, 21709, 26817, 40103, 47517, 60019, 65127, 110873, 120309, 151963, 180057, 269263, 332619, 420133, 430349, 455889, 807789, 1020323, 1260399, 1291047, 1884841, 3012443, 3060969, 5654523, 7142261, 7315933, 9037329, 20226403, 21426783, 21947799, 51211531, 60679209, 141584821, 153634593, 343848851, 424754463, 1031546553, 2406941957, 7220825871]

約数ペア:

[(1, 7220825871), (3, 2406941957), (7, 1031546553), (17, 424754463), (21, 343848851), (47, 153634593), (51, 141584821), (119, 60679209), (141, 51211531), (329, 21947799), (337, 21426783), (357, 20226403), (799, 9037329), (987, 7315933), (1011, 7142261), (1277, 5654523), (2359, 3060969), (2397, 3012443), (3831, 1884841), (5593, 1291047), (5729, 1260399), (7077, 1020323), (8939, 807789), (15839, 455889), (16779, 430349), (17187, 420133), (21709, 332619), (26817, 269263), (40103, 180057), (47517, 151963), (60019, 120309), (65127, 110873)]