7212457

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 9047040

約数和(自身を除く): 1834583

約数列:

[1, 7, 19, 49, 61, 127, 133, 427, 889, 931, 1159, 2413, 2989, 6223, 7747, 8113, 16891, 54229, 56791, 118237, 147193, 379603, 1030351, 7212457]

約数ペア:

[(1, 7212457), (7, 1030351), (19, 379603), (49, 147193), (61, 118237), (127, 56791), (133, 54229), (427, 16891), (889, 8113), (931, 7747), (1159, 6223), (2413, 2989)]