127131004

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31751}}^1$

素因数の和:31786

約数の個数: 48

約数和(自身を含む): 298722816

約数和(自身を除く): 171591812

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 31751, 63502, 127004, 222257, 349261, 412763, 444514, 698522, 825526, 889028, 1397044, 1651052, 2444827, 2889341, 4540393, 4889654, 5778682, 9080786, 9779308, 11557364, 18161572, 31782751, 63565502, 127131004]

約数ペア:

[(1, 127131004), (2, 63565502), (4, 31782751), (7, 18161572), (11, 11557364), (13, 9779308), (14, 9080786), (22, 5778682), (26, 4889654), (28, 4540393), (44, 2889341), (52, 2444827), (77, 1651052), (91, 1397044), (143, 889028), (154, 825526), (182, 698522), (286, 444514), (308, 412763), (364, 349261), (572, 222257), (1001, 127004), (2002, 63502), (4004, 31751)]