71954197

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 90272000

約数和(自身を除く): 18317803

約数列:

[1, 7, 19, 49, 61, 133, 181, 343, 427, 931, 1159, 1267, 2989, 3439, 6517, 8113, 8869, 11041, 20923, 24073, 56791, 62083, 77287, 168511, 209779, 397537, 541009, 1179577, 1468453, 3787063, 10279171, 71954197]

約数ペア:

[(1, 71954197), (7, 10279171), (19, 3787063), (49, 1468453), (61, 1179577), (133, 541009), (181, 397537), (343, 209779), (427, 168511), (931, 77287), (1159, 62083), (1267, 56791), (2989, 24073), (3439, 20923), (6517, 11041), (8113, 8869)]