17223899

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 23093760

約数和(自身を除く): 5869861

約数列:

[1, 7, 11, 19, 61, 77, 133, 193, 209, 427, 671, 1159, 1351, 1463, 2123, 3667, 4697, 8113, 11773, 12749, 14861, 25669, 40337, 82411, 89243, 129503, 223687, 282359, 906521, 1565809, 2460557, 17223899]

約数ペア:

[(1, 17223899), (7, 2460557), (11, 1565809), (19, 906521), (61, 282359), (77, 223687), (133, 129503), (193, 89243), (209, 82411), (427, 40337), (671, 25669), (1159, 14861), (1351, 12749), (1463, 11773), (2123, 8113), (3667, 4697)]