216357295

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1867}}^1$

素因数の和:1940

約数の個数: 48

約数和(自身を含む): 337315968

約数和(自身を除く): 120958673

約数列:

[1, 5, 7, 11, 35, 43, 49, 55, 77, 215, 245, 301, 385, 473, 539, 1505, 1867, 2107, 2365, 2695, 3311, 9335, 10535, 13069, 16555, 20537, 23177, 65345, 80281, 91483, 102685, 115885, 143759, 401405, 457415, 561967, 718795, 883091, 1006313, 2809835, 3933769, 4415455, 5031565, 6181637, 19668845, 30908185, 43271459, 216357295]

約数ペア:

[(1, 216357295), (5, 43271459), (7, 30908185), (11, 19668845), (35, 6181637), (43, 5031565), (49, 4415455), (55, 3933769), (77, 2809835), (215, 1006313), (245, 883091), (301, 718795), (385, 561967), (473, 457415), (539, 401405), (1505, 143759), (1867, 115885), (2107, 102685), (2365, 91483), (2695, 80281), (3311, 65345), (9335, 23177), (10535, 20537), (13069, 16555)]