139717868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{1913}}^1$

素因数の和:1998

約数の個数: 36

約数和(自身を含む): 266084280

約数和(自身を除く): 126366412

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 961, 1178, 1913, 1922, 2356, 3826, 3844, 7652, 18259, 36347, 36518, 59303, 72694, 73036, 118606, 145388, 237212, 1126757, 1838393, 2253514, 3676786, 4507028, 7353572, 34929467, 69858934, 139717868]

約数ペア:

[(1, 139717868), (2, 69858934), (4, 34929467), (19, 7353572), (31, 4507028), (38, 3676786), (62, 2253514), (76, 1838393), (124, 1126757), (589, 237212), (961, 145388), (1178, 118606), (1913, 73036), (1922, 72694), (2356, 59303), (3826, 36518), (3844, 36347), (7652, 18259)]