638863728

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{3191}}^1$

素因数の和:3342

約数の個数: 80

約数和(自身を含む): 1706724096

約数和(自身を除く): 1067860368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 97, 129, 172, 194, 258, 291, 344, 388, 516, 582, 688, 776, 1032, 1164, 1552, 2064, 2328, 3191, 4171, 4656, 6382, 8342, 9573, 12513, 12764, 16684, 19146, 25026, 25528, 33368, 38292, 50052, 51056, 66736, 76584, 100104, 137213, 153168, 200208, 274426, 309527, 411639, 548852, 619054, 823278, 928581, 1097704, 1238108, 1646556, 1857162, 2195408, 2476216, 3293112, 3714324, 4952432, 6586224, 7428648, 13309661, 14857296, 26619322, 39928983, 53238644, 79857966, 106477288, 159715932, 212954576, 319431864, 638863728]

約数ペア:

[(1, 638863728), (2, 319431864), (3, 212954576), (4, 159715932), (6, 106477288), (8, 79857966), (12, 53238644), (16, 39928983), (24, 26619322), (43, 14857296), (48, 13309661), (86, 7428648), (97, 6586224), (129, 4952432), (172, 3714324), (194, 3293112), (258, 2476216), (291, 2195408), (344, 1857162), (388, 1646556), (516, 1238108), (582, 1097704), (688, 928581), (776, 823278), (1032, 619054), (1164, 548852), (1552, 411639), (2064, 309527), (2328, 274426), (3191, 200208), (4171, 153168), (4656, 137213), (6382, 100104), (8342, 76584), (9573, 66736), (12513, 51056), (12764, 50052), (16684, 38292), (19146, 33368), (25026, 25528)]