28702783109

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{1619}}^1$

素因数の和:1938

約数の個数: 64

約数和(自身を含む): 39191040000

約数和(自身を除く): 10488256891

約数列:

[1, 7, 11, 13, 77, 89, 91, 143, 199, 623, 979, 1001, 1157, 1393, 1619, 2189, 2587, 6853, 8099, 11333, 12727, 15323, 17711, 17809, 18109, 21047, 28457, 89089, 123977, 124663, 144091, 147329, 194821, 199199, 230243, 231517, 322181, 1008637, 1363747, 1585001, 1611701, 1620619, 1873183, 2255267, 2532673, 3543991, 4188353, 11095007, 13112281, 17728711, 20605013, 24807937, 28674109, 29318471, 46071883, 144235091, 200718763, 315415199, 322503181, 372763417, 2207906393, 2609343919, 4100397587, 28702783109]

約数ペア:

[(1, 28702783109), (7, 4100397587), (11, 2609343919), (13, 2207906393), (77, 372763417), (89, 322503181), (91, 315415199), (143, 200718763), (199, 144235091), (623, 46071883), (979, 29318471), (1001, 28674109), (1157, 24807937), (1393, 20605013), (1619, 17728711), (2189, 13112281), (2587, 11095007), (6853, 4188353), (8099, 3543991), (11333, 2532673), (12727, 2255267), (15323, 1873183), (17711, 1620619), (17809, 1611701), (18109, 1585001), (21047, 1363747), (28457, 1008637), (89089, 322181), (123977, 231517), (124663, 230243), (144091, 199199), (147329, 194821)]