38143325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 56246400

約数和(自身を除く): 18103075

約数列:

[1, 5, 11, 17, 25, 41, 55, 85, 187, 199, 205, 275, 425, 451, 697, 935, 995, 1025, 2189, 2255, 3383, 3485, 4675, 4975, 7667, 8159, 10945, 11275, 16915, 17425, 37213, 38335, 40795, 54725, 84575, 89749, 138703, 186065, 191675, 203975, 448745, 693515, 930325, 1525733, 2243725, 3467575, 7628665, 38143325]

約数ペア:

[(1, 38143325), (5, 7628665), (11, 3467575), (17, 2243725), (25, 1525733), (41, 930325), (55, 693515), (85, 448745), (187, 203975), (199, 191675), (205, 186065), (275, 138703), (425, 89749), (451, 84575), (697, 54725), (935, 40795), (995, 38335), (1025, 37213), (2189, 17425), (2255, 16915), (3383, 11275), (3485, 10945), (4675, 8159), (4975, 7667)]