287290638

素因数分解:

$2^1\times 3^5\times {\mathrm{397}}^1\times {\mathrm{1489}}^1$

素因数の和:1903

約数の個数: 48

約数和(自身を含む): 647577840

約数和(自身を除く): 360287202

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 397, 486, 794, 1191, 1489, 2382, 2978, 3573, 4467, 7146, 8934, 10719, 13401, 21438, 26802, 32157, 40203, 64314, 80406, 96471, 120609, 192942, 241218, 361827, 591133, 723654, 1182266, 1773399, 3546798, 5320197, 10640394, 15960591, 31921182, 47881773, 95763546, 143645319, 287290638]

約数ペア:

[(1, 287290638), (2, 143645319), (3, 95763546), (6, 47881773), (9, 31921182), (18, 15960591), (27, 10640394), (54, 5320197), (81, 3546798), (162, 1773399), (243, 1182266), (397, 723654), (486, 591133), (794, 361827), (1191, 241218), (1489, 192942), (2382, 120609), (2978, 96471), (3573, 80406), (4467, 64314), (7146, 40203), (8934, 32157), (10719, 26802), (13401, 21438)]