76478857

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 103420800

約数和(自身を除く): 26941943

約数列:

[1, 7, 13, 19, 49, 71, 89, 91, 133, 247, 497, 623, 637, 923, 931, 1157, 1349, 1691, 1729, 3479, 4361, 6319, 6461, 8099, 9443, 11837, 12103, 17537, 21983, 44233, 45227, 56693, 66101, 82147, 82859, 120061, 122759, 153881, 309631, 575029, 840427, 859313, 1077167, 1560793, 4025203, 5882989, 10925551, 76478857]

約数ペア:

[(1, 76478857), (7, 10925551), (13, 5882989), (19, 4025203), (49, 1560793), (71, 1077167), (89, 859313), (91, 840427), (133, 575029), (247, 309631), (497, 153881), (623, 122759), (637, 120061), (923, 82859), (931, 82147), (1157, 66101), (1349, 56693), (1691, 45227), (1729, 44233), (3479, 21983), (4361, 17537), (6319, 12103), (6461, 11837), (8099, 9443)]