217398336205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1\times {\mathrm{3407}}^1$

素因数の和:3970

約数の個数: 64

約数和(自身を含む): 290211102720

約数和(自身を除く): 72812766515

約数列:

[1, 5, 19, 31, 47, 95, 155, 235, 461, 589, 893, 1457, 2305, 2945, 3407, 4465, 7285, 8759, 14291, 17035, 21667, 27683, 43795, 64733, 71455, 105617, 108335, 138415, 160129, 271529, 323665, 411673, 528085, 671677, 800645, 1357645, 1570627, 2006723, 2058365, 3042451, 3358385, 4963999, 7853135, 10033615, 12761863, 15212255, 24819995, 29841913, 48689437, 63809315, 73819469, 94315981, 149209565, 243447185, 369097345, 471579905, 925099303, 1402569911, 2288403539, 4625496515, 7012849555, 11442017695, 43479667241, 217398336205]

約数ペア:

[(1, 217398336205), (5, 43479667241), (19, 11442017695), (31, 7012849555), (47, 4625496515), (95, 2288403539), (155, 1402569911), (235, 925099303), (461, 471579905), (589, 369097345), (893, 243447185), (1457, 149209565), (2305, 94315981), (2945, 73819469), (3407, 63809315), (4465, 48689437), (7285, 29841913), (8759, 24819995), (14291, 15212255), (17035, 12761863), (21667, 10033615), (27683, 7853135), (43795, 4963999), (64733, 3358385), (71455, 3042451), (105617, 2058365), (108335, 2006723), (138415, 1570627), (160129, 1357645), (271529, 800645), (323665, 671677), (411673, 528085)]