156728223967

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1\times {\mathrm{5297}}^1$

素因数の和:5912

約数の個数: 48

約数和(自身を含む): 195469498080

約数和(自身を除く): 38741274113

約数列:

[1, 7, 19, 49, 61, 133, 427, 521, 931, 1159, 2989, 3647, 5297, 8113, 9899, 25529, 31781, 37079, 56791, 69293, 100643, 222467, 259553, 323117, 485051, 603839, 704501, 1557269, 2261819, 2759737, 4226873, 4931507, 6139223, 15832733, 19318159, 29588111, 42974561, 52435003, 135227113, 168343957, 300821927, 367045021, 1178407699, 2569315147, 3198535183, 8248853893, 22389746281, 156728223967]

約数ペア:

[(1, 156728223967), (7, 22389746281), (19, 8248853893), (49, 3198535183), (61, 2569315147), (133, 1178407699), (427, 367045021), (521, 300821927), (931, 168343957), (1159, 135227113), (2989, 52435003), (3647, 42974561), (5297, 29588111), (8113, 19318159), (9899, 15832733), (25529, 6139223), (31781, 4931507), (37079, 4226873), (56791, 2759737), (69293, 2261819), (100643, 1557269), (222467, 704501), (259553, 603839), (323117, 485051)]