66156580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{907}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 159255936

約数和(自身を除く): 93099356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521, 907, 1042, 1814, 2084, 2605, 3628, 3647, 4535, 5210, 6349, 7294, 9070, 10420, 12698, 14588, 18140, 18235, 25396, 31745, 36470, 63490, 72940, 126980, 472547, 945094, 1890188, 2362735, 3307829, 4725470, 6615658, 9450940, 13231316, 16539145, 33078290, 66156580]

約数ペア:

[(1, 66156580), (2, 33078290), (4, 16539145), (5, 13231316), (7, 9450940), (10, 6615658), (14, 4725470), (20, 3307829), (28, 2362735), (35, 1890188), (70, 945094), (140, 472547), (521, 126980), (907, 72940), (1042, 63490), (1814, 36470), (2084, 31745), (2605, 25396), (3628, 18235), (3647, 18140), (4535, 14588), (5210, 12698), (6349, 10420), (7294, 9070)]