28004865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{541}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 56194560

約数和(自身を除く): 28189695

約数列:

[1, 3, 5, 7, 15, 17, 21, 29, 35, 51, 85, 87, 105, 119, 145, 203, 255, 357, 435, 493, 541, 595, 609, 1015, 1479, 1623, 1785, 2465, 2705, 3045, 3451, 3787, 7395, 8115, 9197, 10353, 11361, 15689, 17255, 18935, 27591, 45985, 47067, 51765, 56805, 64379, 78445, 109823, 137955, 193137, 235335, 266713, 321895, 329469, 549115, 800139, 965685, 1333565, 1647345, 1866991, 4000695, 5600973, 9334955, 28004865]

約数ペア:

[(1, 28004865), (3, 9334955), (5, 5600973), (7, 4000695), (15, 1866991), (17, 1647345), (21, 1333565), (29, 965685), (35, 800139), (51, 549115), (85, 329469), (87, 321895), (105, 266713), (119, 235335), (145, 193137), (203, 137955), (255, 109823), (357, 78445), (435, 64379), (493, 56805), (541, 51765), (595, 47067), (609, 45985), (1015, 27591), (1479, 18935), (1623, 17255), (1785, 15689), (2465, 11361), (2705, 10353), (3045, 9197), (3451, 8115), (3787, 7395)]