128440533

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 200188800

約数和(自身を除く): 71748267

約数列:

[1, 3, 13, 23, 31, 39, 69, 93, 149, 299, 403, 447, 713, 897, 961, 1209, 1937, 2139, 2883, 3427, 4619, 5811, 9269, 10281, 12493, 13857, 22103, 27807, 37479, 44551, 60047, 66309, 106237, 133653, 143189, 180141, 287339, 318711, 429567, 862017, 1381081, 1861457, 3293347, 4143243, 5584371, 9880041, 42813511, 128440533]

約数ペア:

[(1, 128440533), (3, 42813511), (13, 9880041), (23, 5584371), (31, 4143243), (39, 3293347), (69, 1861457), (93, 1381081), (149, 862017), (299, 429567), (403, 318711), (447, 287339), (713, 180141), (897, 143189), (961, 133653), (1209, 106237), (1937, 66309), (2139, 60047), (2883, 44551), (3427, 37479), (4619, 27807), (5811, 22103), (9269, 13857), (10281, 12493)]