42170947

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 53996544

約数和(自身を除く): 11825597

約数列:

[1, 7, 13, 61, 71, 91, 107, 427, 497, 749, 793, 923, 1391, 4331, 5551, 6461, 6527, 7597, 9737, 30317, 45689, 53179, 56303, 84851, 98761, 394121, 463417, 593957, 691327, 3243919, 6024421, 42170947]

約数ペア:

[(1, 42170947), (7, 6024421), (13, 3243919), (61, 691327), (71, 593957), (91, 463417), (107, 394121), (427, 98761), (497, 84851), (749, 56303), (793, 53179), (923, 45689), (1391, 30317), (4331, 9737), (5551, 7597), (6461, 6527)]