31620631

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 38167200

約数和(自身を除く): 6546569

約数列:

[1, 7, 49, 61, 71, 149, 427, 497, 1043, 2989, 3479, 4331, 7301, 9089, 10579, 30317, 63623, 74053, 212219, 445361, 518371, 645319, 4517233, 31620631]

約数ペア:

[(1, 31620631), (7, 4517233), (49, 645319), (61, 518371), (71, 445361), (149, 212219), (427, 74053), (497, 63623), (1043, 30317), (2989, 10579), (3479, 9089), (4331, 7301)]