978249181

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{617}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 1301952960

約数和(自身を除く): 323703779

約数列:

[1, 7, 13, 19, 49, 91, 131, 133, 247, 617, 637, 917, 931, 1703, 1729, 2489, 4319, 6419, 8021, 11723, 11921, 12103, 17423, 30233, 32357, 56147, 80827, 82061, 83447, 121961, 152399, 226499, 393029, 565789, 574427, 1050751, 1066793, 1535713, 1585493, 3960523, 7355257, 7467551, 10749991, 19964269, 51486799, 75249937, 139749883, 978249181]

約数ペア:

[(1, 978249181), (7, 139749883), (13, 75249937), (19, 51486799), (49, 19964269), (91, 10749991), (131, 7467551), (133, 7355257), (247, 3960523), (617, 1585493), (637, 1535713), (917, 1066793), (931, 1050751), (1703, 574427), (1729, 565789), (2489, 393029), (4319, 226499), (6419, 152399), (8021, 121961), (11723, 83447), (11921, 82061), (12103, 80827), (17423, 56147), (30233, 32357)]