28391330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1297}}^1$

素因数の和:1514

約数の個数: 32

約数和(自身を含む): 56073600

約数和(自身を除く): 27682270

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1297, 1990, 2189, 2594, 4378, 6485, 10945, 12970, 14267, 21890, 28534, 71335, 142670, 258103, 516206, 1290515, 2581030, 2839133, 5678266, 14195665, 28391330]

約数ペア:

[(1, 28391330), (2, 14195665), (5, 5678266), (10, 2839133), (11, 2581030), (22, 1290515), (55, 516206), (110, 258103), (199, 142670), (398, 71335), (995, 28534), (1297, 21890), (1990, 14267), (2189, 12970), (2594, 10945), (4378, 6485)]