153911285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 223869312

約数和(自身を除く): 69958027

約数列:

[1, 5, 11, 17, 23, 55, 85, 115, 187, 253, 289, 391, 421, 935, 1265, 1445, 1955, 2105, 3179, 4301, 4631, 6647, 7157, 9683, 15895, 21505, 23155, 33235, 35785, 48415, 73117, 78727, 106513, 121669, 164611, 365585, 393635, 532565, 608345, 823055, 1338359, 1810721, 2798387, 6691795, 9053605, 13991935, 30782257, 153911285]

約数ペア:

[(1, 153911285), (5, 30782257), (11, 13991935), (17, 9053605), (23, 6691795), (55, 2798387), (85, 1810721), (115, 1338359), (187, 823055), (253, 608345), (289, 532565), (391, 393635), (421, 365585), (935, 164611), (1265, 121669), (1445, 106513), (1955, 78727), (2105, 73117), (3179, 48415), (4301, 35785), (4631, 33235), (6647, 23155), (7157, 21505), (9683, 15895)]