28913934

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1907}}^1$

素因数の和:1957

約数の個数: 48

約数和(自身を含む): 69787008

約数和(自身を除く): 40873074

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 361, 399, 722, 798, 1083, 1907, 2166, 2527, 3814, 5054, 5721, 7581, 11442, 13349, 15162, 26698, 36233, 40047, 72466, 80094, 108699, 217398, 253631, 507262, 688427, 760893, 1376854, 1521786, 2065281, 4130562, 4818989, 9637978, 14456967, 28913934]

約数ペア:

[(1, 28913934), (2, 14456967), (3, 9637978), (6, 4818989), (7, 4130562), (14, 2065281), (19, 1521786), (21, 1376854), (38, 760893), (42, 688427), (57, 507262), (114, 253631), (133, 217398), (266, 108699), (361, 80094), (399, 72466), (722, 40047), (798, 36233), (1083, 26698), (1907, 15162), (2166, 13349), (2527, 11442), (3814, 7581), (5054, 5721)]